Question: What is the closest parent taxonomy of this bird?

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title: "Red-throated loon" content: Red-throated loon The red-throated loon (North America) or red-throated diver (Britain and Ireland) ("Gavia stellata") is a migratory aquatic bird found in the northern hemisphere. The most widely distributed member of the loon or diver family, it breeds primarily in Arctic regions, and winters in northern coastal waters. Ranging from in length, the red-throated loon is the smallest and lightest of the world's loons. In winter, it is a nondescript bird, greyish above fading to white below. During the breeding season, it acquires the distinctive reddish throat patch which is the basis for its common name. Fish form the bulk

title: "Red-throated loon" content: of its diet, though amphibians, invertebrates, and plant material are sometimes eaten as well. A monogamous species, the red-throated loon forms long-term pair bonds. Both members of the pair help to build the nest, incubate the eggs (generally two per clutch), and feed the hatched young. The red-throated loon has a large global population and a significant global range, though some populations are declining. Oil spills, habitat degradation, pollution, and fishing nets are among the major threats this species faces. Natural predators—including various gull species, and both red and Arctic foxes, will take eggs and young. The species is protected

title: "Red-throated loon" content: by international treaties. First described by Danish naturalist Erik Pontoppidan in 1763, the red-throated loon is a monotypic species, with no distinctive subspecies despite its large Holarctic range. Pontoppidan initially placed the species in the now-defunct genus "Colymbus", which contained grebes as well as loons. By 1788, German naturalist Johann Reinhold Forster realized that grebes and loons were different enough to warrant separate genera, and moved the red-throated loon (along with all other loon species) to its present genus. Its relationship to the four other loons is complex; although all belong to the same genus, it differs from the others

title: "Red-throated loon" content: in terms of morphology, behaviour, ecology and breeding biology and may be the basal lineage of the genus. It is thought to have evolved in the Palearctic, and then to have expanded into the Nearctic. Analysis of molecular data together with the fossil record suggests the lineage of the red-throated loon diverged from that giving rise to the other loon species around 21.4 million years ago in the Miocene. It is also most closely related to the fossil Pliocene species "Gavia howardae". The genus name "Gavia" comes from the Latin for "sea mew", as used by ancient Roman naturalist Pliny

title: "Red-throated loon" content: the Elder. The specific epithet "stellata" is Latin for "set with stars" or "starry", and refers to the bird's speckled back in its non-breeding plumage. Members of the family Gavidae are known as "loons" in North America and "divers" in Great Britain and Ireland. The International Ornithological Congress uses the name "red-throated loon" for this species. "Diver" refers to the family's underwater method of hunting for prey, while "red-throated" is a straightforward reference to the bird's most distinctive breeding plumage feature. The word "loon" is thought to have derived from the Swedish "lom", the Old Norse or Icelandic "lómr", or

title: "Red-throated loon" content: the Old Dutch "loen", all of which mean "lame" or "clumsy", and is a probable reference to the difficulty that all loons have in moving about on land. A local name from Willapa Harbor, Washington was "Quaker loon". Like the other members of its genus, the red-throated loon is well adapted to its aquatic environment: its dense bones help it to submerge, its legs—in their set-back position—provide excellent propulsion, and its body is long and streamlined. Even its sharply pointed bill may help its underwater streamlining. Its feet are large, its front three toes are fully webbed, and its tarsus

title: "Red-throated loon" content: is flattened, which reduces drag and allows the leg to move easily through the water. The red-throated loon is the smallest and lightest of the world's loon species, ranging from in length with a wingspan, and weighing . Like all loons, it is long-bodied and short-necked, with its legs set far back on its body. The sexes are similar in appearance, although males tend to be slightly larger and heavier than females. In breeding plumage, the adult has a dark grey head and neck (with narrow black and white stripes on the back of the neck), a triangular red throat

title: "Red-throated loon" content: patch, white underparts, and a dark grey-brown mantle. It is the only loon with an all-dark back in breeding plumage. The non-breeding plumage is drabber with the chin, foreneck, and much of the face white, the top of the head and back of the neck grey, and considerable white speckling on the dark mantle. Its iris is carmine-red to burgundy in color, its legs are black on the outer half and pale on the inner half, and the webs of its feet are pinkish-brown, with darker margins. Its bill is thin, straight, and sharp, and often held at an uptilted

title: "Red-throated loon" content: angle. One of the bird's North American folk names is pegging-awl loon, a reference to its sharply pointed bill, which resembles a sailmaker's awl (a tool also known as a "pegging awl" in New England). Though the colour of the bill changes from black in summer to pale grey in winter, the timing of the colour change does not necessarily correspond to that of the bird's overall plumage change. The nostrils are narrow slits located near the base of the bill. When it first emerges from its egg, the young red-throated loon is covered with fine soft down feathers. Primarily

title: "Red-throated loon" content: dark brown to dark grey above, it is slightly paler on the sides of its head and neck, as well as on its throat, chest, and flanks, with a pale grey lower breast and belly. Within weeks, this first down is replaced by a second, paler set of down feathers, which are in turn replaced by developing juvenile feathers. The juvenile's plumage is similar to that of the adult, though with a few distinguishing features. It has a darker forehead and neck, with heavy speckling on the sides of the neck and the throat. Its back is browner and less

title: "Red-throated loon" content: speckled, and its underparts are tinged with brown. Its eyes are reddish-brown, and its beak is a pale grey. Though some young birds hold this plumage until mid-winter, many quickly become virtually indistinguishable from adults, except for their paler bills. In flight, the red-throated loon has a distinctive profile; its small feet do not project far past the end of its body, its head and neck droop below the horizontal (giving the flying bird a distinctly hunchbacked shape) and its thin wings are angled back. It has a quicker, deeper wingbeat than do other loons. The adult red-throated loon has

title: "Red-throated loon" content: a number of vocalisations, which are used in different circumstances. In flight, when passing conspecifics or circling its own pond, it gives a series of rapid yet rhythmic goose-like cackles—"kaa-kaa-kaa" or "kak-kak-kak", at roughly five calls per second. Its warning call, if disturbed by humans or onshore predators, is a short croaking bark. A low-pitched moaning call, used primarily as a contact call between mates and between parents and young, but also during copulation, is made with the bill closed. The species also has a short wailing call—"aarOOao...aarOOao..."—which descends slightly in pitch and lasts about a second; due to strong

title: "Red-throated loon" content: harmonics surrounding the primary pitch, this meowing call is more musical than its other calls. Another call—a harsh, pulsed cooing that rises and falls in pitch, and is typically repeated up to 10 times in a row—is used in territorial encounters and pair-bonding, and by parent birds encouraging their young to move on land between bodies of water. Known as the "long call", it is often given in duet, which is unusual among the loons; the female's contribution is longer and softer than her mate's. Young have a shrill closed-bill call, which they use in begging and to contact their

title: "Red-throated loon" content: parents. They also have a long call used in response to (and similar to that of) the long call of adults. At medium to close range, an adult red-throated loon in either breeding or non-breeding plumage is usually easily recognised. However, in certain light conditions, at certain times in its moulting cycle, or at greater distances, it may be mistaken for another species—most commonly the black-throated loon, but also occasionally the great crested grebe. It shows more white on the head and neck than does the black-throated loon, and—provided it is not sitting low in the water—tends to show more

title: "Red-throated loon" content: white on the flanks as well. If it is sitting lower in the water, so that the white on the flanks is reduced to a patch on the rear flank (thus resembling the pattern of the black-throated loon), that patch tends to be less clearly defined than the comparative patch on the black-throated. The red-throated loon breeds primarily in the Arctic regions of northern Eurasia and North America (generally north of 50°N latitude), and winters in northern coastal waters, sometimes in groups of considerable size. More than 4,400 spend the winter in a loose concentration on the eastern part of

title: "Red-throated loon" content: the German Bight, for example. Unlike other loons, it regularly uses very small freshwater lakes as breeding sites. Its small size renders it more versatile, but it is less able to feed on deeper prey. The increase in size and diversity of the remaining species of loons suggests that the benefits of larger size outweigh the limitations. In North America, it winters regularly along both coasts, ranging as far south as the Baja California Peninsula and the Gulf of California in north-western Mexico; it has been recorded as a vagrant in the interior Mexican state of Hidalgo. Some of its

title: "Red-throated loon" content: folk names in north-eastern North America—including cape race, cape brace, cape drake and cape racer, as well as corruptions such as scapegrace—originated from its abundance around Cape Race, Newfoundland. In Europe, it breeds in Iceland, northern Scotland, north-western Ireland (a few pairs only), Scandinavia and northern Russia, and winters along the coast as far south as parts of Spain; it also regularly occurs along major inland waterways, including the Mediterranean, Aegean and Black Seas, as well as large rivers, lakes and reservoirs. It has occurred as a vagrant as far south as Morocco, Tunisia and the Gambia. In Asia, it

title: "Red-throated loon" content: breeds in the northern stretches of Siberia, and winters along the Pacific coast as far south as China, Japan and Taiwan. It has occurred as a vagrant in Mongolia. Because its feet are located so far back on its body, the red-throated loon is quite clumsy walking on land, but it can use its feet to shove itself forward on its breast. Young use this method of covering ground when moving from their breeding pools to larger bodies of water, including rivers and the sea. It is the only species of loon able to take off directly from land. If

title: "Red-throated loon" content: frightened, it may submerge until only its head or bill shows above the surface of the water. The red-throated loon is a diurnal migrant, which travels singly or in loose groups, often high above the water. In eastern North America (and possibly elsewhere), it tends to migrate near the coast rather than farther offshore; Siberian populations travel for hundreds of miles over land en route to their southern European wintering grounds. It is a strong flier, and has been clocked at speeds between . Like all members of its family, the red-throated loon goes through a simultaneous wing moult, losing

title: "Red-throated loon" content: all its flight feathers at once and becoming flightless for a period of three to four weeks. Unlike other loons—which undergo this moult in late winter—the red-throated loon loses its ability to fly sometime between late summer and late autumn. Like all members of its family, the red-throated loon is primarily a fish-eater, though it sometimes feeds on molluscs, crustaceans, frogs, aquatic invertebrates, insects, fish spawn or even plant material. It seizes rather than spears its prey, which is generally captured underwater. Though it normally dives and swims using only its feet for propulsion, it may use its wings as

title: "Red-throated loon" content: well if it needs to turn or accelerate quickly. Pursuit dives range from in depth, with an average underwater time of about a minute. Its fish diet increases the red-throated loon's vulnerability to persistent organic pollutants and heavy metals, both of which bioaccumulate, thus potentially causing greater problems for long-lived species (such as the loon) at or near the top of the food chain. Its main diet has also led to several of the loon's British folk names, including "sprat borer" and "spratoon". For the first few days after hatching, young red-throated loons are fed aquatic insects and small crustaceans

title: "Red-throated loon" content: by both parents. After 3–4 days, the parents switch to fish small enough for the young birds to swallow whole. By four weeks of age, the young can eat the same food—of the same size—as their parents do. Young birds may be fed for some time after fledging; adults have been seen feeding fish to juveniles at sea and on inland lakes in the United Kingdom, hundreds of kilometres from any breeding areas. The red-throated loon is a monogamous species which forms long-term pair bonds. Both sexes build the nest, which is a shallow scrape (or occasionally a platform of

title: "Red-throated loon" content: mud and vegetation) lined with vegetation and sometimes a few feathers, and placed within a half-metre (18 in) of the edge of a small pond. The female lays two eggs (though clutches of one and three have also been recorded); they are incubated for 24–29 days, primarily by the female. The eggs, which are greenish or olive-brownish spotted with black, measure and have a mass of , of which 8% is shell. Incubation is begun as soon as the first egg is laid, so they hatch asynchronously. If a clutch is lost (to predation or flooding, for example) before the

title: "Red-throated loon" content: young hatch, the red-throated loon usually lays a second clutch, generally in a new nest. The young birds are precocial upon hatching: downy and mobile with open eyes. Both parents feed them small aquatic invertebrates initially, then small fish for 38–48 days. Parents will perform distraction displays to lure predators away from the nest and young. Ornithologists disagree as to whether adults carry young on their backs while swimming with some maintaining that they do and others the opposite. In the wild, the oldest known red-throated loon lived for more than two decades; it was found, oiled and dead, on

title: "Red-throated loon" content: a beach in Sweden 23 years and 7 months after it had been ringed (banded). Although the red-throated loon is not a globally threatened species, as it has a large population and a significant range, there are populations which appear to be declining. Numbers counted in U.S. Fish and Wildlife Service surveys in Alaska show a 53% population decline between 1971 and 1993, for example, and survey count numbers have dropped in continental Europe as well. In Scotland, on the other hand, the population increased by some 16% between 1994 and 2006, according to surveys done by the Royal Society

title: "Red-throated loon" content: for the Protection of Birds and Scottish Natural Heritage. In 2002, Wetlands International estimated a global population of 490,000 to 1,500,000 individuals; global population trends have not been quantified. The red-throated loon is one of the species to which the "Agreement on the Conservation of African-Eurasian Migratory Waterbirds" (AEWA) applies; in the Americas, it is protected by the Migratory Bird Treaty Act of 1918. Oil spills, habitat degradation, and fishing nets are among the main threats this species faces. Because it tends to migrate close to shore—generally within of land—it may be detrimentally affected by the construction of near-shore wind

title: "Red-throated loon" content: farms; studies indicate a high level of avoidance of wind farm areas, though deaths due to direct strikes with the turbines appear to be uncommon. High levels of mercury in the environment have led to reproductive failures in some areas, including parts of Sweden. Studies in Sweden have also shown that they may be adversely impacted by the acidification of lakes, as the fish on which they prey are susceptible to low pH. On the breeding grounds, Arctic and red foxes are major predators of eggs, while great skuas, Arctic skuas and various species of "Larus" gulls (including great black-backed

title: "Red-throated loon" content: gulls and glaucous gulls) are predators of both eggs and young. The species is known to serve as host for at least 51 species of parasites, most of which are roundworms (nematodes), flatworms (digeneans) and tapeworms (cestodes) carried internally; a single species of louse is its only known external parasite. It is also known to sometimes carry significant populations of diatoms (microscopic phytoplankton) on its contour feathers. The red-throated loon is susceptible to avian influenza and Type E botulism, and is regularly killed by the ingestion of neurotoxins produced by "red tide" algal blooms. During a 2007 bloom, large numbers

title: "Red-throated loon" content: of the birds also died of hypothermia, after their plumages became matted by a protein byproduct of the algae, which reduced the insulating properties of their feathers. Used as a food source since prehistoric times, the red-throated loon is still hunted by indigenous peoples in some parts of the world today. Eggs as well as birds are taken, sometimes in significant numbers; during one study on northern Canada's Igloolik Island, 73% of all red-throated loon eggs laid within the 10 km (3.9 mi) study site over two breeding seasons were collected by indigenous inhabitants of the island. In some parts

title: "Red-throated loon" content: of Russia, red-throated loon skins were traditionally used to make caps and various clothing decorations, including collars. The species was also central to the creation mythologies of indigenous groups throughout the Holarctic. According to the myth—which varies only slightly between versions, despite the sometimes-vast distances that separated the groups who believed it—the loon was asked by a great shaman to bring up earth from the bottom of the sea. That earth was then used to build the world's dry land. As recently as the 1800s, the behaviour of the red-throated loon was used to forecast the weather; according to the

title: "Red-throated loon" content: conventional wisdom of the time, birds flying inland or giving short cries predicted good weather, while those flying out to sea or giving long, wailing cries predicted rain. In the Orkney and Shetland islands of Scotland, the species is still known as the "rain goose" in deference to its supposed weather-predicting capabilities. The people of the Faroe Islands believed that if the red-throated loon miaowed like a cat, then rain was imminent, while a call of "gaa-gaa-gaa" or "turkatrae-turkatrae" predicted fine weather. Bhutan, Japan, Åland (an autonomous region of Finland), and the Union of the Comoros have issued stamps featuring

title: "Red-throated loon" content: the red-throated loon. Red-throated loon The red-throated loon (North America) or red-throated diver (Britain and Ireland) ("Gavia stellata") is a migratory aquatic bird found in the northern hemisphere. The most widely distributed member of the loon or diver family, it breeds primarily in Arctic regions, and winters in northern coastal waters. Ranging from in length, the red-throated loon is the smallest and lightest of the world's loons. In winter, it is a nondescript bird, greyish above fading to white below. During the breeding season, it acquires the distinctive reddish throat patch which is the basis for its common name. Fish

Answer: Gavia

Answer: Loon

Answer: Gavia

Answer: Diver


Question: where is the highest point of this park?

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title: "Yosemite National Park" content: valley floor. The high country of Yosemite contains beautiful areas such as Tuolumne Meadows, Dana Meadows, the Clark Range, the Cathedral Range, and the Kuna Crest. The Sierra crest and the Pacific Crest Trail run through Yosemite, with peaks of red metamorphic rock, such as Mount Dana and Mount Gibbs, and granite peaks, such as Mount Conness. Mount Lyell is the highest point in the park, standing at . The Lyell Glacier is the largest glacier in Yosemite National Park and is one of the few remaining in the Sierra Nevada today. The park has three groves of ancient giant

Answer: Mount Lyell

Answer: Mount Lyell, California

Answer: Mt. Lyell

Answer: Mount Lyell


Question: What equipment or engine is used by this aircraft to provide power?

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title: "ATR 72" content: of 78 passengers. It is powered by a pair of Pratt & Whitney Canada PW100 turboprop engines, which drive an arrangement of four or six-bladed propellers supplied by Hamilton Standard. Earlier models of the ATR 72 are equipped with the older PW124B engine, rated at 2,400 shp, whilst later-built aircraft are powered by the newer PW127 engine, rated at a maximum of 2,750 shp to achieve improved "hot and high" takeoff performance. It employs a carbon-fibre tip wingbox for 30% of the wing weight and a 20% weight reduction. In a standard configuration, the aircraft does not have an auxiliary

Answer: PW100

Answer: Pratt & Whitney Canada PW100

Answer: PWC PW100

Answer: PW127G

Answer: PW121

Answer: PW100


Question: What is the height of this building in terms of metre above sea level?

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title: Rundetaarn content: in 1482. Today, the Round Tower serves as an observation tower for views of Copenhagen, a public astronomical observatory, and a historical monument. The Library Hall above the church is only accessible along the tower's ramp and is a venue for exhibitions and concerts. Astronomy had grown in importance in 17th-century Europe. Countries had begun competing with each other in establishing colonies, creating a need for accurate navigation across the oceans. Many national observatories were therefore established, the first in 1632 at Leiden in the Dutch Republic. Only five years later the Round Tower Observatory, first referred to as STELLÆBURGI

Answer: 32


Question: Where is the lake outflow to?

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title: Windermere content: receded up the Troutbeck valley and up the valleys that now contain the rivers Rothay and Brathay. There were at least nine ice retreat phases, indicated by buried recessional moraines. The lake has two separate basins – north and south – with different characteristics influenced by the geology. This consists of hard volcanic rocks in the north basin and softer shales in the south. The lake is drained from its southernmost point by the River Leven. It is replenished by the rivers Brathay, Rothay, Trout Beck, Cunsey Beck and several other lesser streams. The lake is largely surrounded by foothills

title: Windermere content: of the Lake District which provide pleasant low-level walks; to the north and northeast are the higher fells of central Lakeland. There is debate as to whether the stretch of water between Newby Bridge and Lakeside at the southern end of the lake should be considered part of Windermere, or a navigable stretch of the River Leven. This affects the stated length of the lake, which is long if measured from the bridge at Newby Bridge, or if measured from Lakeside. The lake varies in width up to a maximum of , and covers an area of . With a

Answer: River Leven

Answer: River Leven

Answer: River Leven, Cumbria

Answer: Leven


Question: How many spans does this bridge have?

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title: "Charles Bridge" content: between Prague Castle and the city's Old Town and adjacent areas. This "solid-land" connection made Prague important as a trade route between Eastern and Western Europe. The bridge is long and nearly wide, following the example of the Stone Bridge in Regensburg, it was built as a bow bridge with 16 arches shielded by ice guards. It is protected by three bridge towers, two on the Lesser Quarter side (including the Malá Strana Bridge Tower) and one on the Old Town side, the Old Town Bridge Tower. The bridge is decorated by a continuous alley of 30 statues and statuaries,

title: "Charles Bridge" content: 5:31), was a numerical bridge, and would imbue Charles Bridge with additional strength. The bridge was completed 45 years later in 1402. A flood in 1432 damaged three pillars. In 1496 the third arch (counting from the Old Town side) broke down after one of the pillars lowered, being undermined by the water (repairs were finished in 1503). A year after the Battle of White Mountain, when the 27 leaders of the anti-Habsburg revolt were executed on 21 June 1621, the Old Town Bridge Tower served as a deterrent display of the severed heads of the victims to stop Czechs

title: "Charles Bridge" content: from further resistance. During the end of the Thirty Years' War in 1648, the Swedes occupied the west bank of the Vltava, and as they tried to advance into the Old Town the heaviest fighting took place right on the bridge. During the fighting, they severely damaged one side of the Old Town bridge tower (the side facing the river) and the remnants of almost all gothic decorations had to be removed from it afterward. During the late 17th century and early 18th century the bridge gained its typical appearance when an alley of baroque statues was installed on the

title: "Charles Bridge" content: bridge. Most sculptures were erected between 1683 and 1714. They depict various saints and patron saints venerated at that time. The most prominent Bohemian sculptors of the time took part in decorating the bridge, such as Matthias Braun, Jan Brokoff, and his sons Michael Joseph and Ferdinand Maxmilian. Among the most notable sculptures, one can find the statuaries of St. Luthgard, the Holy Crucifix and Calvary, and John of Nepomuk. Well known also is the statue of the knight Bruncvík, although it was erected some 200 years later and does not belong to the main avenue. Beginning in 1965, all

Answer: 16


Question: What is the mohs' hardness of this material?

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title: Water content: higher than that of air (1.0), similar to those of alkanes and ethanol, but lower than those of glycerol (1.473), benzene (1.501), carbon disulfide (1.627), and common types of glass (1.4 to 1.6). The refraction index of ice (1.31) is lower than that of liquid water. Since the water molecule is not linear and the oxygen atom has a higher electronegativity than hydrogen atoms, it is a polar molecule, with an electrical dipole moment: the oxygen atom carries a slight negative charge, whereas the hydrogen atoms are slightly positive. Water is a good polar solvent, that dissolves many salts and

Answer: 1.5


Question: What is the height (in metre) of the lamp at this building?

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title: "Cabo da Roca Lighthouse" content: automated and the acetylene production facility was closed. In 2000, the electrical siren ceased to function, and the following year, the radio system was deactivated. The lighthouse stands 22 metres at its base (its light commands a 165-metre beam from sea level). In addition to the main tower, the complex is composed of nine buildings, since prior to electrification, it was necessary to marshall a team to maintain the lamp, store valuable equipment and produce the Acetylene necessary to run the torch. Currently, the lighthouse supports a team of three lighthouse keepers, in order to monitor the lamp and signal/communicate

Answer: 165


Question: What is the closest parent taxonomy of this bird?

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title: "Yellow-crowned night heron" content: Yellow-crowned night heron The yellow-crowned night heron ("Nyctanassa violacea"), is one of two species of night herons found in the Americas, the other one being the black-crowned night heron. It is known as the Bihoreau Violacé in French and the Pedrete Corona Clara in Spanish. The yellow-crowned night heron is a rather stocky wading bird, ranging from and from , the females being a little smaller than the males. The neck, slim when extended, gives the bird a comically large head compared to its body, with a large and heavy bill. The body and back are a smooth grey-blue, with

title: "Yellow-crowned night heron" content: range, it can be found in the south-east inland of the United States during breeding season and additional isolated breeding colonies have been recorded even farther inland, all the way to the northern border of the United States. Different subspecies and populations have different migratory behaviour. Subspecies and populations that are insular or live in warmer areas are confirmed to be sedentary. The tropical subspecies and populations migrate, but to an extent that is still unclear for lack of data. The migratory behaviour of the yellow-crowned night heron has changed with its expansion north: one subspecies ("Nyctanassa violacea violacea)" migrates

title: "Yellow-crowned night heron" content: the end of the 1970s as a means of biological control against land crabs, which were considered a pest as were digging holes in the golf courses and the population went out of control after the closely related Bermuda night heron went extinct in the 1600s. As yellow-crowned night herons are opportunistic feeders, not specialist feeders like the Bermuda night heron which have since decimated native land crab populations and have been observed predating endemic and critically endangered Bermuda skinks. Yellow-crowned night heron The yellow-crowned night heron ("Nyctanassa violacea"), is one of two species of night herons found in the

Answer: Nyctanassa

Answer: Nyctanassa


Question: What is the closest upper taxonomy of this animal?

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title: Catfish content: is particularly cooked in a delicacy popularly known as "Catfish Pepper Soup" which is enjoyed throughout the nation. Fish must have fins and scales to be kosher. Since catfish lacks scales, they are not kosher. While the vast majority of catfish are harmless to humans, a few species are known to present some risk. Many catfish species have “stings” (actually non-venomous in most cases) embedded behind their fins; thus precautions must be taken when handling them. The catfish are a monophyletic group. This is supported by molecular evidence. Catfish belong to a superorder called the Ostariophysi, which also includes the

Answer: Ostariophysi

Answer: ostariophysians

Answer: Ostariophysi


Question: What is the area in square kilometre occupied by this island?

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title: Lindisfarne content: Northumberland County council. Despite these warnings, about one vehicle each month is stranded on the causeway, requiring rescue by HM Coastguard, Seahouses RNLI lifeboat, or RAF helicopter. A sea rescue costs approximately £1,900 (quoted in 2009, ), while an air rescue costs more than £4,000 (also quoted in 2009, ). Local people have opposed a causeway barrier primarily on convenience grounds. Trinity House operates two lighthouses to guide vessels entering Holy Island Harbour, named Guile Point East and Heugh Hill. The former is one of a pair of stone obelisks standing on a small tidal island on the other side

title: Lindisfarne content: little affected during the centuries of nominal Roman occupation. The countryside had been subject to raids from both Scots and Picts and was "not one to attract early Germanic settlement". King Ida (reigned from 547) started the sea-borne settlement of the coast, establishing an "urbs regia" at Bamburgh across the bay from Lindisfarne. The conquest was not straightforward, however. The "Historia Brittonum" recounts how, in the 6th century, Urien, prince of Rheged, with a coalition of North British kingdoms, besieged Angles led by Theodric of Bernicia at the island for three days and nights, until internal power struggles led to

title: Lindisfarne content: the Britons' defeat. The monastery of Lindisfarne was founded by Irish monk Saint Aidan, who had been sent from Iona off the west coast of Scotland to Northumbria at the request of King Oswald. The priory was founded before the end of 634 and Aidan remained there until his death in 651. The priory remained the only seat of a bishopric in Northumbria for nearly thirty years. Finian (bishop 651–661) built a timber church "suitable for a bishop's seat". St Bede, however, was critical of the fact that the church was not built of stone but only of hewn oak

title: Lindisfarne content: An anonymous life of Cuthbert written at Lindisfarne is the oldest extant piece of English historical writing. From its reference to "Aldfrith, who now reigns peacefully" it must date to between 685 and 704. Cuthbert was buried here, his remains later translated to Durham Cathedral (along with the relics of Saint Eadfrith of Lindisfarne). Eadberht of Lindisfarne, the next bishop (and saint) was buried in the place from which Cuthbert's body was exhumed earlier the same year when the priory was abandoned in the late 9th century. Cuthbert's body was carried with the monks, eventually settling in Chester-le-Street before a

title: Lindisfarne content: final move to Durham. The saint's shrine was the major pilgrimage centre for much of the region until its despoliation by Henry VIII's commissioners in 1539 or 1540. The grave was preserved, however, and when opened in 1827 yielded a number of remarkable artefacts dating back to Lindisfarne. The inner (of three) coffins was of incised wood, the only decorated wood to survive from the period. It shows Jesus surrounded by the Four Evangelists. Within the coffin was a pectoral cross across made of gold and mounted with garnets and intricate tracery. There was a comb made of elephant ivory,

title: Lindisfarne content: a rare and expensive item in Northern England. Also inside was an embossed silver covered travelling altar. All were contemporary with the original burial on the island. When the body was placed in the shrine in 1104 other items were removed: a paten, scissors and a chalice of gold and onyx. Most remarkable of all was a gospel (known as the St Cuthbert Gospel or Stonyhurst Gospel from its association with the college). The manuscript is in an early, probably original, binding beautifully decorated with deeply embossed leather. Following Finian's death, Colman became Bishop of Lindisfarne. Up to this point

title: Lindisfarne content: bishops under York: Hexham, Lindisfarne and Whithorn whereas Canterbury had the twelve envisaged by St Augustine. The Diocese of York encompassed roughly the counties of Yorkshire and Lancashire. Hexham covered County Durham and the southern part of Northumberland up to the River Coquet and eastwards into the Pennines. Whithorn covered most of Dumfries and Galloway region west of Dumfries itself. The remainder, Cumbria, northern Northumbria, Lothian and much of the Kingdom of Strathclyde formed the diocese of Lindisfarne. In 737 Saint Ceolwulf of Northumbria abdicated as King of Northumbria and entered the Prior at Lindisfarne. He died in 764 and

title: Lindisfarne content: life interest only. Following the Danish occupation land was increasingly owned by individuals and could be bought, sold and inherited. Following the Battle of Corbridge in 914 Ragnald seized the land giving some to his followers Scula and Onlafbal. The priory was re-established in Norman times in 1093 as a Benedictine house and continued until its suppression in 1536 under Henry VIII. The standing remains date from this later priory, while the site of the original priory is now occupied by the parish church. The site is a grade I listed building number 1042304. The earliest parts of the area

title: Lindisfarne content: are a scheduled ancient monument number 1011650. In 1462, during the Wars of the Roses, Margaret of Anjou made an abortive attempt to seize the Northumbrian castles. Following a storm at sea 400 troops had to seek shelter on Holy Island, where they surrendered to the Yorkists. An early scholarly description of the priory was compiled by Dr Henry George Charles Clarke (presumed son of Admiral Sir Erasmus Gower) in 1838 during his term as president of the Berwickshire Naturalists' Club. . Dr Clarke surmised that this Norman priory was unique in that the centre aisle had a vault of

title: Lindisfarne content: The castle sits on the highest point of the island, a whinstone hill called Beblowe. After Henry VIII suppressed the priory, his troops used the remains as a naval store. In 1542 Henry VIII ordered the Earl of Rutland to fortify the site against possible Scottish invasion. By December 1547, Ralph Cleisbye, Captain of the fort, had guns including a wheel-mounted demi-culverin, two brass sakers, a falcon, and another fixed demi-culverin. However, Beblowe Crag itself was not fortified until 1549 and Sir Richard Lee saw only a decayed platform and turf rampart there in 1565. Elizabeth I then had work

title: Lindisfarne content: inspiration for Spanish architect Enric Miralles' Scottish Parliament Building in Edinburgh. One of the most celebrated gardeners of modern times, Gertrude Jekyll (1843–1932), laid out a tiny garden just north of the castle in 1911. The castle, garden and nearby lime kilns are in the care of the National Trust and open to visitors. Turner, Thomas Girtin and Charles Rennie Mackintosh all painted on Holy Island. Holy Island was considered part of the Islandshire unit along with several mainland parishes. This came under the jurisdiction of the County Palatine of Durham until the Counties (Detached Parts) Act 1844. Lindisfarne was

title: Lindisfarne content: Scotland, but now houses the organ. The church is a Grade I listed building number 1042304, listed as part of the whole priory. The church forms most of the earliest part of the site and is a scheduled ancient monument number 1011650. For long years David Adam was rector of Holy Island and ministered to thousands of pilgrims and other visitors. In response to the perceived lack of affordable housing on the isle of Lindisfarne, in 1996 a group of islanders established a charitable foundation known as the Holy Island of Lindisfarne Community Development Trust. They built a visitor centre

Answer: 4


Question: What country does this organization belong to?

Instruction: Utilizing the given image, obtain documents that respond to the following question:

title: Tupolev content: Tupolev Tupolev (, ) is a Soviet, and later a Russian aerospace and defence company, headquartered in Basmanny District, Central Administrative Okrug, Moscow. Known officially as Joint Stock Company Tupolev, it is the successor of the Tupolev OKB or Tupolev Design Bureau (OKB-156, design office prefix Tu) headed by the Soviet aerospace engineer A.N. Tupolev. The company celebrated its 90th anniversary on October 22, 2012. The Russian government merged Tupolev with Mikoyan, Ilyushin, Irkut, Sukhoi, and Yakovlev as a new company named the United Aircraft Corporation. The capabilities of PSC Tupolev include development, manufacturing, and overhaul for both civil and

title: Tupolev content: With the never-completed Junkers J 3 of 1916, used strictly as a design study, Junkers shifted to lighter construction using corrugated duralumin. In the aftermath of World War I and to evade the terms of the Versailles Treaty that prevented German companies from building warplanes Junkers founded a clandestine aircraft factory in the Moscow suburb of Fili in 1922. This factory was turned over to Tupolev in 1925. Russian sources usually refrain from making the link between Junkers and Tupolev. Tupolev was an able designer, but his first generation aircraft were heavily influenced by his early connection to Junkers. Among

title: Tupolev content: the notable results during Tupolev's early period were two significant all-metal heavy bombers with corrugated duralumin skins, the ANT-4 twin-engined bomber which first flew in 1925 and the four-engined ANT-6 of 1932, from which such airplanes as the ANT-20 were derived (see Yefim Gordon & Vladimir Rigmant, OKB Tupolev. Hinckley, UK: Midland, 2005. pp. 22–28 & 30-34). Tupolev's design approach in these two airplanes defined for many years the trends of heavy aircraft development, civil and military. During World War II, the twin-engined, all-metal Tu-2 was one of the best front-line bombers of the Soviets. Several variants of it were

title: Tupolev content: produced in large numbers from 1942. During the war it used wooden rear fuselages due to a shortage of metal. This was succeeded by the development of the jet-powered Tu-16 bomber, which used a sweptback wing for good subsonic performance. As turbojets were not fuel efficient enough to provide truly intercontinental range, the Soviets elected to design a new bomber, the Tu-20, more commonly referred to as the Tu-95. It, too, was based on the fuselage and structural design of the Tu-4, but with four colossal Kuznetsov NK-12 turboprop engines providing a unique combination of jet-like speed and long range.

title: Tupolev content: It became the definitive Soviet intercontinental bomber, with intercontinental range and jet-like performance. In many respects the Soviet equivalent of the Boeing B-52 Stratofortress, it served as a strategic bomber and in many alternate roles, including reconnaissance and anti-submarine warfare. The Tu-16 was developed into the civil Tu-104. The Tu-95 became the basis of the unique Tu-114 medium-to-long-range airliner, the fastest turboprop aircraft ever. One common feature found in many large subsonic Tupolev jet aircraft is large pods extending rearward from the trailing edge of the wings, holding the aircraft's landing gear. These allow the aircraft to have landing gears

title: Tupolev content: made up of many large low-pressure tires, which are invaluable for use on the poor quality runways that were common in the Soviet Union at the time. For example, the Tu-154 airliner, the Soviet equivalent of the Boeing 727, has 14 tyres, the same number as Boeing's far larger 777–200. Even before the first flights of the Tu-16 and Tu-20/Tu-95, Tupolev was working on supersonic bombers, culminating in the unsuccessful Tu-98. Although that aircraft never entered service, it became the basis for the prototype Tu-102 (later developed into the Tu-28 interceptor) and the Tu-105, which evolved into the supersonic Tu-22

title: Tupolev content: enabled the Soviet Union to achieve strategic military and civil aviation parity with the West. In the 1970s, Tupolev concentrated its efforts on improving the performance of the Tu-22M bombers, whose variants included maritime versions. It is the presence of these bombers in quantity that brought about the SALT I and SALT II treaties. Also the efficiency and performance of the Tu-154 was improved, culminating in the efficient Tu-154M. In the 1980s the design bureau developed the supersonic Tu-160 strategic bomber. Features include variable-geometry wings. With the end of the Cold War, research work was concentrated on subsonic civil aircraft,

title: Tupolev content: mainly on operating economics and alternative fuels. The developments include fly-by-wire, use of efficient high-bypass turbofans and advanced aerodynamic layouts for the 21st century transport aircraft such as the Tu-204/Tu-214, Tu-330 and Tu-334. Among current Tupolev projects: At the MAKS-2003 airshow, Tupolev revealed the Tu-444 supersonic business jet concept; development was intended to start in the first half of 2004, however nothing further came of the program. On 19 August 2009, Tupolev announced that it had a contract with the Russian Defense Ministry to develop a new-generation strategic bomber which "will be a conceptually new plane based on the most

title: Tupolev content: advanced technologies". Tupolev Tupolev (, ) is a Soviet, and later a Russian aerospace and defence company, headquartered in Basmanny District, Central Administrative Okrug, Moscow. Known officially as Joint Stock Company Tupolev, it is the successor of the Tupolev OKB or Tupolev Design Bureau (OKB-156, design office prefix Tu) headed by the Soviet aerospace engineer A.N. Tupolev. The company celebrated its 90th anniversary on October 22, 2012. The Russian government merged Tupolev with Mikoyan, Ilyushin, Irkut, Sukhoi, and Yakovlev as a new company named the United Aircraft Corporation. The capabilities of PSC Tupolev include development, manufacturing, and overhaul for both

Answer: Russia

Answer: RF

Answer: Russian Federation

Answer: RU

Answer: ru

Answer: Federation of Russia

Answer: Россия

Answer: Rus

Answer: RUS

Answer: Rossiyskaya Federatsiya

Answer: Rossijskaja Federatsija

Answer: Rossiya

Answer: Russia

Answer: Rossija

Answer: Российская Федерация


Question: Where are organization initially formed?

Instruction: Using the provided image, obtain documents that address the subsequent question:

title: Tupolev content: Tupolev Tupolev (, ) is a Soviet, and later a Russian aerospace and defence company, headquartered in Basmanny District, Central Administrative Okrug, Moscow. Known officially as Joint Stock Company Tupolev, it is the successor of the Tupolev OKB or Tupolev Design Bureau (OKB-156, design office prefix Tu) headed by the Soviet aerospace engineer A.N. Tupolev. The company celebrated its 90th anniversary on October 22, 2012. The Russian government merged Tupolev with Mikoyan, Ilyushin, Irkut, Sukhoi, and Yakovlev as a new company named the United Aircraft Corporation. The capabilities of PSC Tupolev include development, manufacturing, and overhaul for both civil and

title: Tupolev content: With the never-completed Junkers J 3 of 1916, used strictly as a design study, Junkers shifted to lighter construction using corrugated duralumin. In the aftermath of World War I and to evade the terms of the Versailles Treaty that prevented German companies from building warplanes Junkers founded a clandestine aircraft factory in the Moscow suburb of Fili in 1922. This factory was turned over to Tupolev in 1925. Russian sources usually refrain from making the link between Junkers and Tupolev. Tupolev was an able designer, but his first generation aircraft were heavily influenced by his early connection to Junkers. Among

title: Tupolev content: advanced technologies". Tupolev Tupolev (, ) is a Soviet, and later a Russian aerospace and defence company, headquartered in Basmanny District, Central Administrative Okrug, Moscow. Known officially as Joint Stock Company Tupolev, it is the successor of the Tupolev OKB or Tupolev Design Bureau (OKB-156, design office prefix Tu) headed by the Soviet aerospace engineer A.N. Tupolev. The company celebrated its 90th anniversary on October 22, 2012. The Russian government merged Tupolev with Mikoyan, Ilyushin, Irkut, Sukhoi, and Yakovlev as a new company named the United Aircraft Corporation. The capabilities of PSC Tupolev include development, manufacturing, and overhaul for both

Answer: Moscow

Answer: Moscow, Russia

Answer: Moscovite

Answer: City of Moscow

Answer: Москва

Answer: Moscow, Soviet Union

Answer: Moscow

Answer: Moscow, Russian Federation

Answer: Moskva

Answer: Moskva, Russia

Answer: Moscow, Russian SFSR

Answer: Moskva, Rossiya

Answer: Muscovite

Answer: Moskva Federal City, Russia

Answer: Moscow, USSR


Question: What country does this building belong to?

Instruction: Utilizing the given image, obtain documents that respond to the following question:

title: "Cabo da Roca Lighthouse" content: Cabo da Roca Lighthouse The Cabo da Roca Lighthouse () is a beacon/lighthouse located above the Atlantic Ocean, on Portugal's (and continental Europe's) most westerly extent (Cabo da Roca). It is located in the civil parish of Colares, in the municipality of Sintra, situated on a promontory that juts out into the ocean, made up of granite boulders and interspersed limestone. It is a third-order lighthouse, which originally began operating in 1772. It was the first new purpose-built lighthouse to be constructed in the country: the older lighthouses in existence at that time, were constructed on existing platforms or from

title: "Cabo da Roca Lighthouse" content: of a blow-horn signal and the renovation to electric-powered machines. The "electrical" lighthouse began functioning in 1897, with a system that included a backup petroleum lamp. The main unit was a fourth-order optical system, with rotational platform and clock mechanism, and was paired with a steam siren. In 1917 a building was constructed to produce the acetylene gas necessary to power a new lamp system. The siren was replaced in 1932 by a compressed air blow-horn, while a lighthouse radio system was installed in 1937. During the post-World War era a new fourth-order optical system replaced the older mechanism, but

title: "Cabo da Roca Lighthouse" content: between Cabo da Roca and Ericeira. It is accessible by the "Estrada do Cabo da Roca", and situated on the tip of the cape, on land that is considered the most western extent of continental Europe. Although not on that point, it does occupy the safest position on the Cape to monitor and safeguard the navigable seas, with a coastal panorama. Cabo da Roca Lighthouse The Cabo da Roca Lighthouse () is a beacon/lighthouse located above the Atlantic Ocean, on Portugal's (and continental Europe's) most westerly extent (Cabo da Roca). It is located in the civil parish of Colares, in

Answer: Portugal

Answer: PRT

Answer: Portugal

Answer: República Portuguesa

Answer: PT

Answer: Portuguese Republic


Question: Who designed this building?

Instruction: With the provided image, gather documents that offer a solution to the question:

title: "Grand Trianon" content: of Louis XV). In 1663 and 1665, Louis XIV purchased Trianon, a hamlet on the outskirts of Versailles, and commissioned the architect Louis Le Vau to design a porcelain pavilion ("Trianon de porcelaine") to be built there. The façade was made of white and blue Delft-style "porcelain" (ceramic) tiles from the French manufactures of Rouen, Lisieux, Nevers and Saint-Cloud. Construction began in 1670 and was finished in 1672. Because it was made in porcelain, the building suffers from deterioration. Louis XIV orders its demolition in 1686 and replaced it by a larger residence. By 1687, the fragile ceramic tiles had

Answer: Louis Le Vau

Answer: Louis Leveau

Answer: Louis Levau

Answer: Louis Le Vau

Answer: Louis le Vau


Question: which mountain range is this mountain belong to?

Instruction: Retrieve documents that provide an answer to the question alongside the image:

title: Denali content: Denali Denali () (also known as Mount McKinley, its former official name) is the highest mountain peak in North America, with a summit elevation of above sea level. With a topographic prominence of and a topographic isolation of , Denali is the third most prominent and third most isolated peak on Earth, after Mount Everest and Aconcagua. Located in the Alaska Range in the interior of the U.S. state of Alaska, Denali is the centerpiece of Denali National Park and Preserve. The Koyukon people who inhabit the area around the mountain have referred to the peak as "Denali" for centuries.

title: Denali content: the Kahiltna Glacier leads up to the southwest side of the mountain. With a length of , the Kahiltna Glacier is the longest glacier in the Alaska Range. The Koyukon Athabaskans who inhabit the area around the mountain have for centuries referred to the peak as "Dinale" or "Denali". The name is based on a Koyukon word for "high" or "tall". During the Russian ownership of Alaska, the common name for the mountain was "Bolshaya Gora" (, "bolshaya" = Russian for "big"; "gora" = Russian for "mountain"), which is the Russian translation of "Denali". It was briefly called Densmore's Mountain

title: Denali content: that the Secretary of the Interior has authority under federal law to change geographic names when the Board of Geographic Names does not act on a naming request within a "reasonable" period of time. Jewell told the "Alaska Dispatch News" that "I think any of us would think that 40 years is an unreasonable amount of time." Indigenous names for Denali can be found in seven different Alaskan languages. The names fall into two categories. To the south of the Alaska Range in the Dena'ina and Ahtna languages the mountain is known by names that are translated as "big mountain".

title: Denali content: To the north of the Alaska Range in the Lower Tanana, Koyukon, Upper Kuskokwim, Holikachuk, and Deg Xinag languages the mountain is known by names that are translated as "the high one", "the tall one" (Koyukon, Lower and Middle Tanana, Upper Kuskokwim, Deg Xinag, and Holikachuk), or "big mountain" (Ahtna and Dena'ina). Asked about the importance of the mountain and its name, Will Mayo, former president of the Tanana Chiefs Conference, an organization that represents 42 Athabaskan tribes in the Alaskan interior, said "It’s not one homogeneous belief structure around the mountain, but we all agree that we’re all deeply

Answer: Alaska Range

Answer: Alaska Range


Question: How many levels does this building have?

Instruction: Obtain documents that correspond to the inquiry alongside the provided image:

title: "Wrigley Building" content: towers are of differing heights, with the south tower rising to 30 stories and the north tower to 21 stories. On the south tower is a clock with faces pointing in all directions. Each face is in diameter. The building is clad in glazed terra-cotta, which provides its gleaming white façade. On occasion, the entire building is hand washed to preserve the terra cotta. At night, the building is brightly lit with floodlights. The Wrigley Building was Chicago's first air-conditioned office building. If one walks through the center doors, they will find themselves in a secluded park area overlooking the

Answer: 30


Question: what is the date this aircraft took the first flight?

Instruction: Using the provided image, obtain documents that address the subsequent question:

title: "Tupolev Tu-134" content: impressed by the quiet cabin of the Caravelle, that on 1 August 1960 the Tupolev OKB received an official directive to create the Tu-124A with a similar engine arrangement. The requirement was also driven by the need to replace slow, aging piston-engined Il-14s on domestic routes. In 1961, the Soviet state airline, Aeroflot, updated its requirement specifications to include greater payload and passenger capacity. The first Tu-124A prototype, SSSR-45075, first flew on 29 July 1963. On 22 October 1963, the prototype British BAC One-Eleven, which had a similar layout, crashed with the loss of all crew while testing its stalling

title: "Tupolev Tu-134" content: properties. The aircraft had entered pitch-up: the high-mounted tailplane became trapped in the turbulent wake produced by the wings (deep stall), which prevented recovery from the stall. As a result, the tailplane on Tu-124A was enlarged by 30% for greater control authority. Since Aeroflot's requirements dictated a larger aircraft than initially planned, the Soloviev Design Bureau developed the more powerful D-30 low-bypass turbofan engines. On 20 November 1963, the new airliner was designated Tu-134. Design curiosities of the Tu-134 included a sharp wing sweepback of 35 degrees, compared to 25–28 degrees in its counterparts. The engines on early production Tu-134s

Answer: 1963 7 29

Answer: 29 July 1964

Answer: 29 7 1962

Answer: 7 29 1964

Answer: 1963 7 29

Answer: 1962 July 29

Answer: 1962

Answer: 29 7 1964

Answer: 7 29 1963

Answer: July 29 1964

Answer: 7 29 1962

Answer: 1964 7 29

Answer: 29 7 1963

Answer: 29 July 1963

Answer: 29 July 1962

Answer: 1964

Answer: 1963

Answer: July 29 1963

Answer: 1962 7 29

Answer: 1963 July 29

Answer: July 29 1962

Answer: 1964 July 29


Question: Who designed this building?

Instruction: Utilizing the given image, obtain documents that respond to the following question:

title: "Casa de les Punxes" content: Casa de les Punxes The Casa de les Punxes or Casa Terradas is a building designed by the modernist architect Josep Puig i Cadafalch. Located in the intersection between the streets of Rosselló, Bruc and the Avinguda Diagonal in the Barcelona Eixample area. Designed by modernist architect Josep Puig i Cadafalch, la Casa de les Punxes is located in the intersection of the three surrounding streets Avinguda Diagonal, Carrer Rosselló and Carrer Bruc, in the Eixample of Barcelona. In 1905, Bartomeu Terradas Brutau commissioned Josep Puig i Cadafalch to design a house for each of his three sisters, Angela, Josefa

title: "Casa de les Punxes" content: form La Casa de les Punxes. In late 1903, Josep Puig i Cadafalch came across the commission to design a house for each of the sisters Terradas Brutau on the terrain located between the Carrer Rosselló Avinguda Diagonal and Carrer Bruc. It was an atypical solar, irregularly shaped fruit of the recent urbanized Eixample. The architect created an interesting project with a medieval feel, seamlessly blending the three buildings to look like a single house, a single building block. The building was to be built on a triangular site, which meant the architect could not follow Cerdàs' urban plan. The

title: "Casa de les Punxes" content: reads: «Patron Saint of Catalonia give us back our freedom». Just under this panel, in a strategic position due to the meaning that the figure of Sant Jordi represented, we encounter a sculpted face that results familiar. The male figure, with round glasses, important hair entries and pouty lips, represents the great author of the project, the architect Josep Puig i Cadafalch. In the facades of Avinguda Diagonal and Carrer Bruc, there are two additional ceramic panels. In one there is a vase full of roses, with RTB initials, on the other, the figure of a girl surrounded by roses.

title: "Casa de les Punxes" content: We can say that, together with Josep Puig i Cadafalch, Monserdà was the great ideologue of the house. On the completion of the construction works of the first of three houses, Monserdà set up his studio-workshop in one of the round ends of la Casa Terradas on the corner of Avinguda Diagonal with Carrer Rosselló Thus, his designs are the decorative elements of artificial stone that fill the façade, the ceramic panels of Sant Jordi, the Angel and the roses, and the design of the windows and elements of artificial iron. Monserdà was also the designer of much of the

title: "Casa de les Punxes" content: time. In 1900, Casa Ballarín modernized and popularized the forging sector and incorporated mechanized production of serial parts, which were presented in a catalogue and greatly reduced the selling price. The architect Jaume Falguera, in charge of this task, seeks to enhance the work of Josep Puig i Cadafalch. The aim of this rehabilitation process is to recover the essence of the modernist building and the figure of Puig i Cadafalch. On the ground floor, after eliminating the dividing walls and ceilings, the resulting open space revalues the original columns that the architect introduced to replace the bearing walls, one

title: "Casa de les Punxes" content: understand their constructive complexity. 62, 1989. camí cap al vitrall modernista».Congrés Internacional de Modernisme. Barcelona, junio de 2013. i Cadafalch». De l’art de la forja, noviembre de 1918, núm. 6, pp. 81–83. Casa de les Punxes The Casa de les Punxes or Casa Terradas is a building designed by the modernist architect Josep Puig i Cadafalch. Located in the intersection between the streets of Rosselló, Bruc and the Avinguda Diagonal in the Barcelona Eixample area. Designed by modernist architect Josep Puig i Cadafalch, la Casa de les Punxes is located in the intersection of the three surrounding streets Avinguda Diagonal,

Answer: Josep Puig i Cadafalch

Answer: José Puig y Cadafalch

Answer: Josep Puig i Cadafalch

Answer: Josep Puig Cadafalch


Question: what is the date this aircraft took the first flight?

Instruction: Extract documents linked to the question provided in conjunction with the image:

title: "Tupolev Tu-134" content: impressed by the quiet cabin of the Caravelle, that on 1 August 1960 the Tupolev OKB received an official directive to create the Tu-124A with a similar engine arrangement. The requirement was also driven by the need to replace slow, aging piston-engined Il-14s on domestic routes. In 1961, the Soviet state airline, Aeroflot, updated its requirement specifications to include greater payload and passenger capacity. The first Tu-124A prototype, SSSR-45075, first flew on 29 July 1963. On 22 October 1963, the prototype British BAC One-Eleven, which had a similar layout, crashed with the loss of all crew while testing its stalling

title: "Tupolev Tu-134" content: properties. The aircraft had entered pitch-up: the high-mounted tailplane became trapped in the turbulent wake produced by the wings (deep stall), which prevented recovery from the stall. As a result, the tailplane on Tu-124A was enlarged by 30% for greater control authority. Since Aeroflot's requirements dictated a larger aircraft than initially planned, the Soloviev Design Bureau developed the more powerful D-30 low-bypass turbofan engines. On 20 November 1963, the new airliner was designated Tu-134. Design curiosities of the Tu-134 included a sharp wing sweepback of 35 degrees, compared to 25–28 degrees in its counterparts. The engines on early production Tu-134s

Answer: 1963 7 29

Answer: 29 July 1964

Answer: 29 7 1962

Answer: 7 29 1964

Answer: 1963 7 29

Answer: 1962 July 29

Answer: 1962

Answer: 29 7 1964

Answer: 7 29 1963

Answer: July 29 1964

Answer: 7 29 1962

Answer: 1964 7 29

Answer: 29 7 1963

Answer: 29 July 1963

Answer: 29 July 1962

Answer: 1964

Answer: 1963

Answer: July 29 1963

Answer: 1962 7 29

Answer: 1963 July 29

Answer: July 29 1962

Answer: 1964 July 29


Question: On what date did this island officially open?

Instruction: Extract documents linked to the question provided in conjunction with the image:

title: "Confederation Bridge" content: Confederation Bridge The Confederation Bridge () spans the Abegweit Passage of Northumberland Strait. It links Prince Edward Island with mainland New Brunswick, Canada. Before its official naming, Prince Edward Islanders often referred to the bridge as the "Fixed Link". Construction took place from October 1993 to May 1997 and cost C$1.3 billion. The bridge opened on May 31, 1997. The bridge is a two-lane toll bridge that carries the Trans-Canada Highway between Borden-Carleton, Prince Edward Island (at Route 1) and Cape Jourimain, New Brunswick (at Route 16). It is a multi-span balanced cantilever bridge with a post-tensioned concrete box girder

title: "Confederation Bridge" content: well as the issue of tolls on the crossing. It made clear that the government (or a private body) could charge a toll (an essential part of the government's financing plans) for the crossing without violating the terms of union: The construction, which was carried out by a construction joint venture of Ballast Nedam, GTMI (Canada), Northern Construction and Strait Crossing Inc., started in the fall of 1993, beginning with preparation of staging facilities. Bridge components were built year-round from 1994 to the summer of 1996, and placement of components began in the fall of 1994 until the fall of

title: "Confederation Bridge" content: 1996. Approach roads, toll plazas, and final work on the structure continued until the spring of 1997, at an estimated total cost of $1 billion. All bridge components were constructed on land, in purpose-built staging yards located on the shoreline at Amherst Head, fronting on Borden Harbour just east of the town and ferry docks, and an inland facility located at Bayfield, New Brunswick about west of Cape Tormentine. The Amherst Head staging facility was where all large components were built, including the pier bases, ice shields, main spans, and drop-in spans. The Bayfield facility was used to construct components

title: "Confederation Bridge" content: component and completion of the bridge structure in Abegweit Passage on November 19, 1996, HLV "Svanen" returned to Denmark for use in construction of the Øresund Bridge. Construction of the fixed link required over 5,000 workers ranging from labourers and specialty trades, to engineers, surveyors, and managers. The economic impact of construction on Prince Edward Island was substantial, with the provincial GDP rising over 5% during the construction, providing a short-term economic boom for the Island. It neared completion in April 1997. Throughout construction, the federal government received suggestions for names and on September 27, 1996, the name "Confederation Bridge"

title: "Confederation Bridge" content: to the Mi'kmaq traditional name for the province. The President of Ireland, Mary McAleese, during a state visit to Canada in 1998, referred to the bridge as the "Span of Green Gables". After completing the structure on November 19, 1996, SCI worked throughout the winter, paving the bridge deck, placing protective walls which act as wind barriers, placing bridge deck and navigational lighting, constructing the Borden-Carleton toll plaza, and finishing the New Brunswick and Prince Edward Island approach roads. In separate construction, the federal and provincial governments built a new commercial and tourist development on the abandoned CN rail yards

title: "Confederation Bridge" content: in Borden-Carleton, with phase I of this facility opening in spring 1997 as "Gateway Village". New Brunswick has never received similar federal support to improve the economy of Cape Tormentine, which has become a shadow of its former role in PEI transportation history, although in recent years a new eco-tourist and visitor centre was opened on Jourimain Island near the western end of the bridge. The official opening for the bridge took place on May 31, 1997, with the first traffic crossing at approximately 5:00 p.m. ADT following a nationally televised ceremony which aired on CBC and included a sailpast

title: "Confederation Bridge" content: of the schooner "Bluenose II" and several Canadian Coast Guard ships, a flyover by the "Snowbirds", and an emotional farewell to the beloved ferries which made their final crossings that evening. It is estimated that almost 75,000 people participated in a "Bridge Walk" and "Bridge Run" during the hours immediately prior to the opening for traffic. In the days following the opening of the bridge, ferry operator Marine Atlantic disposed of its four vessels. The ferry terminals and docks in both ports were removed over the summer of 1997. The bridge is operated by Strait Crossing Bridge Limited (SCBL), a

title: "Confederation Bridge" content: the complete replacement of all bridge deck lighting cutting into profits. Toll revenues have fallen over 30% since the bridge opened, largely because of declining tourism traffic and domestic travel and currently range from $25 to $30 million annually. After expenses in 2003, the consortium received a year-end dividend of $2.6 million. The number of tourists visiting Prince Edward Island increased from 740,000 in 1996 (the year before the bridge opened) to 1,200,000 in 1997, but this dropped back to about 900,000 visitors annually. As a way of further promoting the island's new accessibility, the province issued vehicle licence plates

title: "Confederation Bridge" content: from 1997 to 2006 that featured a likeness of the Confederation Bridge between the serial number. With valid registration, these plates remain visible on the road today. Confederation Bridge The Confederation Bridge () spans the Abegweit Passage of Northumberland Strait. It links Prince Edward Island with mainland New Brunswick, Canada. Before its official naming, Prince Edward Islanders often referred to the bridge as the "Fixed Link". Construction took place from October 1993 to May 1997 and cost C$1.3 billion. The bridge opened on May 31, 1997. The bridge is a two-lane toll bridge that carries the Trans-Canada Highway between Borden-Carleton,

Answer: 1997 5 31

Answer: 31 5 1997

Answer: 1998 May 31

Answer: 5 31 1997

Answer: 5 31 1996

Answer: 31 May 1996

Answer: 1998 5 31

Answer: May 31 1997

Answer: 1996

Answer: 1996 May 31

Answer: 31 5 1996

Answer: 1998

Answer: 1996 5 31

Answer: May 31 1996

Answer: 5 31 1998

Answer: 31 May 1998

Answer: 1997 5 31

Answer: 1997 May 31

Answer: 31 May 1997

Answer: May 31 1998

Answer: 1997

Answer: 31 5 1998


Question: What equipment or engine is used by this aircraft to provide power?

Instruction: Utilizing the given image, obtain documents that respond to the following question:

title: "Airbus A310" content: A310 during 1979 included Martinair, Sabena and Air Afrique. Initially, a pair of distinct versions of the A310 had been planned by Airbus; the regional A310-100 and the transcontinental A310-200. The A310-100 featured a range of with 200 passengers, whilst the A310-200 possessed a higher MTOW and centre section fuel, being able to carry the same load a further . Basic engines offered for the type included the General Electric CF6-45B2 and Pratt & Whitney JT9D-7R4. At one point, British engine manufacturer Rolls-Royce was openly considering offering an engine for the A310, the Rolls-Royce RB.207, however, it ultimately chose to

title: "Airbus A310" content: modern electronic systems. The same flight deck had been incorporated into the A300-600, a move which increased commonality between the two types and enabled a dual type rating to be achieved, this same approach was later used on many future Airbus aircraft. In addition to the two flying crew, provisions for third and fourth crew seats were present upon the flight deck. The A310 was initially launched with a choice of three engines – the General Electric CF6-80A (originally the CF6-45B2), the Pratt & Whitney JT9D-7R4D1 and the Rolls-Royce RB211-524B4. The specific Rolls-Royce RB211-524B4 engine intended for this initial application

title: "Airbus A310" content: was not developed. General Electric powered A310-200s were originally offered with the CF6-80A3 (A310-203), but with the introduction of the A310-300, the CF6-80C2 became available for both variants. The initial offering was for the CF6-80C2A2 (A310-204/A310-304) engine and later on the higher thrust 80C2A8 (A310-308). Similarly Pratt & Whitney powered A310s were first offered with versions of the JT9D engines (both −22s and −300s) but when the PW4000 powered A310 became available in 1987, the aircraft was offered with the PW4152 (A310-324). From April 1992 the higher thrust PW4156A was offered for the A310 (A310-325), with the PW4158A /-326 becoming

Answer: Pratt & Whitney PW4000

Answer: JT9D

Answer: General Electric CF6

Answer: F138

Answer: General Electric CF6

Answer: JT9D

Answer: F105

Answer: Pratt & Whitney JT9D

Answer: General Electric F138

Answer: CF6

Answer: Pratt & Whitney PW4000

Answer: GE CF6

Answer: Pratt & Whitney F105


Question: What is the maximum capacity of this aircraft?

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title: "De Havilland Canada DHC-6 Twin Otter" content: De Havilland Canada DHC-6 Twin Otter The de Havilland Canada DHC-6 Twin Otter, currently marketed as the Viking Air DHC-6 Twin Otter, is a Canadian 19-passenger STOL (Short Takeoff and Landing) utility aircraft developed by de Havilland Canada and currently produced by Viking Air. The aircraft's fixed tricycle undercarriage, STOL capabilities, twin turboprop engines and high rate of climb have made it a successful commuter passenger airliner as well as a cargo and medical evacuation aircraft. In addition, the Twin Otter has been popular with commercial skydiving operations, and is used by the United States Army Parachute Team and the

title: "De Havilland Canada DHC-6 Twin Otter" content: United States Air Force's 98th Flying Training Squadron. Development of the aircraft began in 1964, with the first flight on May 20, 1965. A twin-engine replacement for the single-engine DHC-3 Otter retaining DHC's renowned STOL qualities, its design features included double-slotted trailing-edge flaps and ailerons that work in unison with the flaps to boost STOL performance. The availability of the Pratt & Whitney Canada PT6A-20 turboprop in the early 1960s made the concept of a twin more feasible. To bush operators, the improved reliability of turboprop power and the improved performance of a twin-engine configuration made it an immediately popular

title: "De Havilland Canada DHC-6 Twin Otter" content: alternative to the piston-powered Otter which had been flying since 1951. The first six aircraft produced were designated Series 1, indicating that they were prototype aircraft. The initial production run consisted of Series 100 aircraft, serial numbers seven to 115 inclusive. In 1968, Series 200 production began with serial number 116. Changes made at the beginning of Series 200 production included improving the STOL performance, adding a longer nose that was equipped with a larger baggage compartment (except for aircraft fitted with floats), and fitting a larger door to the rear baggage compartment. All Series 1, 100, and 200 aircraft

title: "De Havilland Canada DHC-6 Twin Otter" content: and their variants (110, 210) were fitted with the 550-shaft-horsepower PT6A-20 engines. In 1969, the Series 300 was introduced, beginning with serial number 231. Both aircraft performance and payload were improved by fitting more powerful PT6A-27 engines. This was a engine that was flat-rated to for use in the Series 300 Twin Otter. The Series 300 proved to be the most successful variant by far, with 614 Series 300 aircraft and their subvariants (Series 310 for United Kingdom operators, Series 320 for Australian operators, etc.) sold before production in Toronto by de Havilland Canada ended in 1988. In 1976, a

title: "De Havilland Canada DHC-6 Twin Otter" content: designed for Twin Otter operations. According to the February 1976 edition of the "Official Airline Guide", Houston Metro operated 22 round-trip flights every weekday at this time between Clear Lake City (CLC) and Houston Intercontinental Airport (IAH, now Houston George Bush Intercontinental Airport) in a scheduled passenger airline shuttle operation. Houston Metro had agreements in place for connecting passenger feed services with Continental Airlines and Eastern Airlines at Houston Intercontinental, with this major airport having a dedicated STOL landing area at the time specifically for Twin Otter flight operations. The Clear Lake City STOLport is no longer in existence. The

title: "De Havilland Canada DHC-6 Twin Otter" content: Walt Disney World resort in Florida was also served with scheduled airline flights operated with Twin Otter aircraft. The Walt Disney World Airport (DWS), also known as the Lake Buena Vista STOLport, was a private airfield constructed by the Walt Disney Company with Twin Otter operations in mind. In the early 1970s, Shawnee Airlines operated scheduled Twin Otter flights between the Disney resort and nearby Orlando Jetport (MCO, now Orlando International Airport), as well as to Tampa International Airport (TPA). This service by Shawnee Airlines is mentioned in the "Air Commuter Section" of the Sept, 6, 1972 Eastern Air Lines

title: "De Havilland Canada DHC-6 Twin Otter" content: continued to operate the Twin Otter, as well. Larger scheduled passenger airlines based in the United States, Canada, Mexico, the Caribbean and Australia, particularly jetliner operators, also flew Twin Otters, with the aircraft providing connecting feeder service for these airlines. Jet aircraft operators which also flew the Twin Otter included Aeronaves de Mexico, Air BC, Alaska Airlines, ALM Antillean Airlines, Ansett Airlines, Cayman Airways, Frontier Airlines (1950-1986), LIAT, Norcanair, Nordair, Ozark Air Lines, Pacific Western Airlines, Quebecair, South Pacific Island Airways, Time Air, Transair (Canada), Trans Australian Airlines (TAA), Wardair Canada and Wien Air Alaska. In many cases, the excellent

title: "De Havilland Canada DHC-6 Twin Otter" content: the third winter evacuation flight to Amundsen–Scott South Pole Station to remove two people for medical reasons. The Argentine Air Force has used the Twin Otter in Antarctica since the 1970s, with at least one of them deployed year-round at Marambio Base. The Chilean Air Force has operated the type since 1980, usually having an example based at Presidente Frei Antarctic base of the South Shetland islands. As of August 2006, a total of 584 Twin Otter aircraft (all variants) remain in service worldwide. Major operators include: Libyan Arab Airlines (16), Maldivian Air Taxi (22), Trans Maldivian Airways (23), Kenn

title: "De Havilland Canada DHC-6 Twin Otter" content: a replacement for the single-engine de Havilland Canada DHC-3 Otter but also with other civil and military customers, with over 890 aircraft built. Many commuter airlines in the U.S. got their start by flying the Twin Otter in scheduled passenger operations. Kaymac Inc., a government civilian contractor based in Nevada, operates 18. De Havilland Canada DHC-6 Twin Otter The de Havilland Canada DHC-6 Twin Otter, currently marketed as the Viking Air DHC-6 Twin Otter, is a Canadian 19-passenger STOL (Short Takeoff and Landing) utility aircraft developed by de Havilland Canada and currently produced by Viking Air. The aircraft's fixed tricycle

Answer: 19


Question: What type of undercarriage is used in this aircraft?

Instruction: Obtain documents that correspond to the inquiry alongside the provided image:

title: "De Havilland Canada DHC-6 Twin Otter" content: and use of composites for nonload-bearing structures such as doors. The 100th Series 400 Twin Otter (MSN 944) was displayed at the July 2017 EAA AirVenture Oshkosh. Currently, 38% are operated as regional airliners, 31% in military aviation or special missions, 26% in industrial support and 5% in private air charter. Additionally, 70 are on regular landing gear wheels, 18 are configured as straight or amphibious floatplanes, 10 have tundra tires and 2 have wheel skis. Twin Otters could be delivered directly from the factory with floats, skis, or tricycle landing gear fittings, making them adaptable bush planes for remote

Answer: floatplane

Answer: pontoon plane

Answer: float-equipped airplane

Answer: floatplane

Answer: float plane


Question: In which year did this aircraft come into service?

Instruction: Retrieve documents that provide an answer to the question alongside the image:

title: "De Havilland Canada DHC-6 Twin Otter" content: alternative to the piston-powered Otter which had been flying since 1951. The first six aircraft produced were designated Series 1, indicating that they were prototype aircraft. The initial production run consisted of Series 100 aircraft, serial numbers seven to 115 inclusive. In 1968, Series 200 production began with serial number 116. Changes made at the beginning of Series 200 production included improving the STOL performance, adding a longer nose that was equipped with a larger baggage compartment (except for aircraft fitted with floats), and fitting a larger door to the rear baggage compartment. All Series 1, 100, and 200 aircraft

title: "De Havilland Canada DHC-6 Twin Otter" content: and their variants (110, 210) were fitted with the 550-shaft-horsepower PT6A-20 engines. In 1969, the Series 300 was introduced, beginning with serial number 231. Both aircraft performance and payload were improved by fitting more powerful PT6A-27 engines. This was a engine that was flat-rated to for use in the Series 300 Twin Otter. The Series 300 proved to be the most successful variant by far, with 614 Series 300 aircraft and their subvariants (Series 310 for United Kingdom operators, Series 320 for Australian operators, etc.) sold before production in Toronto by de Havilland Canada ended in 1988. In 1976, a

Answer: 1968

Answer: 1967

Answer: 1968

Answer: 1969


Question: In which year did this facility officially open?

Instruction: Extract documents linked to the question provided in conjunction with the image:

title: "Nasir-ol-molk Mosque" content: is still in use under protection by the Endowment Foundation of Nasir ol Molk. Construction began in 1876 by the order of Mirzā Hasan Ali (Nasir ol Molk), a Qajar ruler. and was completed in 1888, The designers were Mohammad Hasan-e-Memār, an Iranian architect, and Mohammad Rezā Kāshi-Sāz-e-Širāzi. Restoration, protection, and maintenance of this monument is being continued by the "Endowment Foundation of Nasir ol Molk". The colourful windows and doors are handcrafted by carpenter master Hajj Mirza Ayat. Nasir-ol-molk Mosque The Nasir al-Mulk Mosque ( "Masjed-i Nasir al-Mulk"), also known as the Pink Mosque (مسجد صورتی "Masjed-i Surati"), is

Answer: 1888

Answer: 1888

Answer: 1889

Answer: 1887


Question: What is the facet of this object?

Instruction: Using the provided image, obtain documents that address the subsequent question:

title: Hexagon content: Hexagon In geometry, a hexagon (from Greek ἕξ "hex", "six" and γωνία, "gonía", "corner, angle") is a six-sided polygon or 6-gon. The total of the internal angles of any simple (non-self-intersecting) hexagon is 720°. A "regular hexagon" has Schläfli symbol {1} and can also be constructed as a truncated equilateral triangle, t{3}, which alternates two types of edges. A regular hexagon is defined as a hexagon that is both equilateral and equiangular. It is bicentric, meaning that it is both cyclic (has a circumscribed circle) and tangential (has an inscribed circle). The common length of the sides equals the radius

title: Hexagon content: of the circumscribed circle, which equals formula_1 times the apothem (radius of the inscribed circle). All internal angles are 120 degrees. A regular hexagon has 6 rotational symmetries ("rotational symmetry of order six") and 6 reflection symmetries ("six lines of symmetry"), making up the dihedral group D. The longest diagonals of a regular hexagon, connecting diametrically opposite vertices, are twice the length of one side. From this it can be seen that a triangle with a vertex at the center of the regular hexagon and sharing one side with the hexagon is equilateral, and that the regular hexagon can be

title: Hexagon content: partitioned into six equilateral triangles. Like squares and equilateral triangles, regular hexagons fit together without any gaps to "tile the plane" (three hexagons meeting at every vertex), and so are useful for constructing tessellations. The cells of a beehive honeycomb are hexagonal for this reason and because the shape makes efficient use of space and building materials. The Voronoi diagram of a regular triangular lattice is the honeycomb tessellation of hexagons. It is not usually considered a triambus, although it is equilateral. The maximal diameter (which corresponds to the long diagonal of the hexagon), "D", is twice the maximal radius

title: Hexagon content: or circumradius, "R", which equals the side length, "t". The minimal diameter or the diameter of the inscribed circle (separation of parallel sides, flat-to-flat distance, short diagonal or height when resting on a flat base), "d", is twice the minimal radius or inradius, "r". The maxima and minima are related by the same factor: The area of a regular hexagon For any regular polygon, the area can also be expressed in terms of the apothem "a" and the perimeter "p". For the regular hexagon these are given by "a" = "r", and "p"formula_5, so The regular hexagon fills the fraction

title: Hexagon content: and short edges, and d6, an isotoxal hexagon constructed with equal edge lengths, but vertices alternating two different internal angles. These two forms are duals of each other and have half the symmetry order of the regular hexagon. The i4 forms are regular hexagons flattened or stretched along one symmetry direction. It can be seen as an elongated rhombus, while d2 and p2 can be seen as horizontally and vertically elongated kites. g2 hexagons, with opposite sides parallel are also called hexagonal parallelogons. Each subgroup symmetry allows one or more degrees of freedom for irregular forms. Only the g6 subgroup

title: Hexagon content: has no degrees of freedom but can seen as directed edges. Hexagons of symmetry g2, i4, and r12, as parallelogons can tessellate the Euclidean plane by translation. Other hexagon shapes can tile the plane with different orientations. The 6 roots of the simple Lie group , represented by a Dynkin diagram , are in a regular hexagonal pattern. The two simple roots have a 120° angle between them. The 12 roots of the Exceptional Lie group G2, represented by a Dynkin diagram are also in a hexagonal pattern. The two simple roots of two lengths have a 150° angle between

title: Hexagon content: them. Coxeter states that every zonogon (a 2"m"-gon whose opposite sides are parallel and of equal length) can be dissected into "m"("m"-1)/2 parallelograms. In particular this is true for regular polygons with evenly many sides, in which case the parallelograms are all rhombi. This decomposition of a regular hexagon is based on a Petrie polygon projection of a cube, with 3 of 6 square faces. Other parallelogons and projective directions of the cube are dissected within rectangular cuboids. A regular hexagon has Schläfli symbol {6}. A regular hexagon is a part of the regular hexagonal tiling, {6,3}, with 3 hexagonal

title: Hexagon content: around each vertex. A regular hexagon can also be created as a truncated equilateral triangle, with Schläfli symbol t{3}. Seen with two types (colors) of edges, this form only has D symmetry. A truncated hexagon, t{6}, is a dodecagon, {12}, alternating 2 types (colors) of edges. An alternated hexagon, h{6}, is a equilateral triangle, {3}. A regular hexagon can be stellated with equilateral triangles on its edges, creating a hexagram. A regular hexagon can be dissected into 6 equilateral triangles by adding a center point. This pattern repeats within the regular triangular tiling. A regular hexagon can be extended into

title: Hexagon content: a regular dodecagon by adding alternating squares and equilateral triangles around it. This pattern repeats within the rhombitrihexagonal tiling. From bees' honeycombs to the Giant's Causeway, hexagonal patterns are prevalent in nature due to their efficiency. In a hexagonal grid each line is as short as it can possibly be if a large area is to be filled with the fewest number of hexagons. This means that honeycombs require less wax to construct and gain lots of strength under compression. Irregular hexagons with parallel opposite edges are called parallelogons and can also tile the plane by translation. In three dimensions,

title: Hexagon content: hexagonal prisms with parallel opposite faces are called parallelohedrons and these can tessellate 3-space by translation. In addition to the regular hexagon, which determines a unique tessellation of the plane, any irregular hexagon which satisfies the Conway criterion will tile the plane. Pascal's theorem (also known as the "Hexagrammum Mysticum Theorem") states that if an arbitrary hexagon is inscribed in any conic section, and pairs of opposite sides are extended until they meet, the three intersection points will lie on a straight line, the "Pascal line" of that configuration. The Lemoine hexagon is a cyclic hexagon (one inscribed in a

title: Hexagon content: circle) with vertices given by the six intersections of the edges of a triangle and the three lines that are parallel to the edges that pass through its symmedian point. If the successive sides of a cyclic hexagon are "a", "b", "c", "d", "e", "f", then the three main diagonals intersect in a single point if and only if . If, for each side of a cyclic hexagon, the adjacent sides are extended to their intersection, forming a triangle exterior to the given side, then the segments connecting the circumcenters of opposite triangles are concurrent. If a hexagon has vertices

title: Hexagon content: on the circumcircle of an acute triangle at the six points (including three triangle vertices) where the extended altitudes of the triangle meet the circumcircle, then the area of the hexagon is twice the area of the triangle. Let ABCDEF be a hexagon formed by six tangent lines of a conic section. Then Brianchon's theorem states that the three main diagonals AD, BE, and CF intersect at a single point. In a hexagon that is tangential to a circle and that has consecutive sides "a", "b", "c", "d", "e", and "f", If an equilateral triangle is constructed externally on each

title: Hexagon content: side of any hexagon, then the midpoints of the segments connecting the centroids of opposite triangles form another equilateral triangle. A skew hexagon is a skew polygon with 6 vertices and edges but not existing on the same plane. The interior of such an hexagon is not generally defined. A "skew zig-zag hexagon" has vertices alternating between two parallel planes. A regular skew hexagon is vertex-transitive with equal edge lengths. In 3-dimensions it will be a zig-zag skew hexagon and can be seen in the vertices and side edges of a triangular antiprism with the same D, [2,6] symmetry, order

title: Hexagon content: 12. The cube and octahedron (same as triangular antiprism) have regular skew hexagons as petrie polygons. The regular skew hexagon is the Petrie polygon for these higher dimensional regular, uniform and dual polyhedra and polytopes, shown in these skew orthogonal projections: A "principal diagonal" of a hexagon is a diagonal which divides the hexagon into quadrilaterals. In any convex equilateral hexagon (one with all sides equal) with common side "a", there exists a principal diagonal "d" such that and a principal diagonal "d" such that There is no Platonic solid made of only regular hexagons, because the hexagons tessellate, not

title: Hexagon content: allowing the result to "fold up". The Archimedean solids with some hexagonal faces are the truncated tetrahedron, truncated octahedron, truncated icosahedron (of soccer ball and fullerene fame), truncated cuboctahedron and the truncated icosidodecahedron. These hexagons can be considered truncated triangles, with Coxeter diagrams of the form and . There are other symmetry polyhedra with stretched or flattened hexagons, like these Goldberg polyhedron G(2,0): There are also 9 Johnson solids with regular hexagons: Hexagon In geometry, a hexagon (from Greek ἕξ "hex", "six" and γωνία, "gonía", "corner, angle") is a six-sided polygon or 6-gon. The total of the internal angles of

Answer: side

Answer: side

Answer: edge

Answer: 1-simplex

Answer: 1-polytope

Answer: 1-orthoplex


Question: What is the height of this building in metre?

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title: "Cabo da Roca Lighthouse" content: automated and the acetylene production facility was closed. In 2000, the electrical siren ceased to function, and the following year, the radio system was deactivated. The lighthouse stands 22 metres at its base (its light commands a 165-metre beam from sea level). In addition to the main tower, the complex is composed of nine buildings, since prior to electrification, it was necessary to marshall a team to maintain the lamp, store valuable equipment and produce the Acetylene necessary to run the torch. Currently, the lighthouse supports a team of three lighthouse keepers, in order to monitor the lamp and signal/communicate

Answer: 22