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

Instruction: I want to find a paragraph from Wikipedia that answers my question about this image.

Nephrops norvegicus. Nephrops norvegicus, known variously as the Norway lobster, Dublin Bay prawn, (compare langostino) or scampi, is a slim, orange-pink lobster which grows up to 25 (cm) long, and is "the most important commercial crustacean in Europe". It is now the only extant species in the genus "Nephrops", after several other species were moved to the closely related genus "Metanephrops". It lives in the north-eastern Atlantic Ocean, and parts of the Mediterranean Sea, but is absent from the Baltic Sea and Black Sea. Adults emerge from their burrows at night to feed on worms and fish.## Description."Nephrops norvegicus" has the typical.

Nephrops norvegicus. body shape of a lobster, albeit narrower than the large genus "Homarus". It is pale orange in colour, and grows to a typical length of 18 - 20 (cm), or exceptionally 25 (cm) long, including the tail and claws. A carapace covers the animal's cephalothorax, while the abdomen is long and segmented, ending in a broad tail fan. The first three pairs of legs bear claws, of which the first are greatly elongated and bear ridges of spines. Of the two pairs of antennae, the second is the longer and thinner. There is a long, spinous rostrum, and the compound.

Nephrops norvegicus. eyes are kidney-shaped, providing the name of the genus, from the Greek roots ("nephros", "kidney") and "ops" ("eye").## Distribution."Nephrops norvegicus" is found in the north-eastern Atlantic Ocean and North Sea as far north as Iceland and northern Norway, and south to Portugal. It is not common in the Mediterranean Sea except in the Adriatic Sea, notably the north Adriatic. It is absent from both the Black Sea and the Baltic Sea. Due to its ecological demands for particular sediments, "N. norvegicus" has a very patchy distribution, and is divided into over 30 populations. These populations are separated by inhospitable terrain,.

Nephrops norvegicus. and adults rarely travel distances greater than a few hundred metres.## Ecology."Nephrops norvegicus" adults prefer to inhabit muddy seabed sediments, with more than 40 percent silt and clay. Their burrows are semi-permanent, and vary in structure and size. Typical burrows are 20 to 30 (cm) deep, with a distance of 50 to 80 (cm) between the front and back entrances. Norway lobsters spend most of their time either lying in their burrows or by the entrance, leaving their shelters only to forage or mate.## Diet."Nephrops norvegicus" is a scavenger and predator that makes short foraging excursions, mainly during periods of.

Nephrops norvegicus. subdued light. They feed on active prey, including worms and fish, which they capture with their chelipeds and walking legs, and food is conveyed to the mouth using the anterior walking legs, assisted by the maxillipeds.There is evidence that "Nephrops norvegicus" is a major eater of jellyfish.## Parasites and symbionts."Nephrops norvegicus" is the host to a number of parasites and symbionts. A number of sessile organisms attach to the exoskeleton of "N. norvegicus", including the barnacle "Balanus crenatus" and the foraminiferan "Cyclogyra", but overall "Nephrops" suffers fewer infestations of such epibionts than other decapod crustaceans do. In December 1995, the.

Nephrops norvegicus. commensal "Symbion pandora" was discovered attached to the mouthparts of "Nephrops norvegicus", and was found to be the first member of a new phylum, Cycliophora, a finding described by Simon Conway Morris as "the zoological highlight of the decade". "S. pandora" has been found in many populations of "N. norvegicus", both in the north Atlantic and in the Mediterranean Sea. Individuals may be found on most segments of the lobster's mouthparts, but are generally concentrated on the central parts of the larger mouthparts, from the mandible to the third maxilliped.The most significant parasite of "N. norvegicus" is a dinoflagellate of.

Nephrops norvegicus. the genus "Hematodinium", which has caused epidemic infection in fished populations of "N. norvegicus" since the 1980s. "Hematodinium" is a genus that contains major pathogens of a wide variety of decapod crustaceans, although its internal taxonomy is poorly resolved. The species which attacks "N. norvegicus" causes a syndrome originally described as "post-moult syndrome", in which the carapace turns opaque and becomes highly pigmented, the haemolymph becomes milky white, and the animal appears moribund. Other parasites of "N. norvegicus" include the gregarine protozoan "Porospora nephropis", the trematode "Stichocotyle nephropis" and the polychaete "Histriobdella homari".## Life cycle.The typical life span of "N.

Nephrops norvegicus. norvegicus" is 5–10 years, reaching 15 years in exceptional cases. Its reproductive cycle varies depending on geographical position: "the periods of hatching and spawning, and the length of the incubation period, vary with latitude and the breeding cycle changes from annual to biennial as one moves from south to north". Incubation of eggs is temperature-dependent, and in colder climates, the duration of the incubation period increases. This means that, by the time hatching occurs, it may be too late for the females to take part in that year's breeding cycle. In warmer climates, the combined effects of recovery from moulting.

Nephrops norvegicus. and ovary maturation mean that spawning can become delayed. This, in turn, has the effect of the female missing out a year of egg carrying.Adult male "Nephrops norvegicus" moult once or twice a year (usually in late winter or spring) and adult females moult up to once a year (in late winter or spring, after hatching of the eggs). In annual breeding cycles, mating takes place in the spring or winter, when the females are in the soft, post-moult state. The ovaries mature throughout the spring and summer months, and egg-laying takes place in late summer or early autumn. After.

Nephrops norvegicus. spawning, the berried (egg-carrying) females return to their burrows and remain there until the end of the incubation period. Hatching takes place in late winter or early spring. Soon after hatching, the females moult and mate again.During the planktonic larval stage (typically 1 to 2 months in duration) the nephrops larvae exhibit a diel vertical migration behaviour as they are dispersed by the local currents. This complex biophysical interaction determines the fate of the larvae; the overlap between advective pathway destination and spatial distributions of suitable benthic habitats must be favourable in order for the larvae to settle and reach.

Nephrops norvegicus. maturity.## Fisheries.The muscular tail of "Nephrops norvegicus" is frequently eaten, and its meat is known as "scampi". The "N. norvegicus" is eaten only on special occasions in Spain and Portugal, where it is less expensive than the common lobster, "Homarus gammarus". "N. norvegicus" is an important species for fisheries, being caught mostly by trawling. Around 60,000 tonnes are caught annually, half of it in the United Kingdom's waters.Besides the established trawling fleets, a significant number of fleets using lobster creels have developed. The better size and condition of lobsters caught by this method yield prices three to four times higher.

Nephrops norvegicus. than animals netted by trawling. Creel fishing was found to have a reduced impact on the seafloor, require lower fuel consumption, and allow fishermen with smaller boats to participate in this high-value fishery. It has therefore been described as a reasonable alternative to demersal towed gears, and the allocation of additional fishing rights for this type of take has been suggested.The North East Atlantic individual biological stocks of Nephrops are identified as functional units. A number of functional units make up the sea areas over which a total allowable catch (TAC) is set annually by the EU Council of Ministers.

Nephrops norvegicus. For example, the TAC set for North Sea Nephrops is based on the aggregate total tonnage of removals recommended by science for nine separate functional unit areas. This method has attracted criticism because it can promote the overexploitation of a specific functional unit even though the overall TAC is under-fished. In 2016, the UK implemented a package of emergency technical measures with the cooperation of the fishing industry aimed at reducing fishing activity to induce recovery of the Nephrops stock in the Farn(e) Deeps off North East England which was close to collapse. A stock assessment completed in 2018 by.

Nephrops norvegicus. the International Council for the Exploration of the Sea (ICES) shows that fishing pressure has been cut and this stock is now below FMSY and that stock size is above MSY Btrigger meaning that the Farne Deeps nephrops stock is being fished at a sustainable level. However, ICES also warn that any substantial transfer of the current surplus fishing opportunities from other functional units to the Farne Deeps would rapidly lead to overexploitation. This suggests that controls on fishing effort should continue at least until the biomass reaches a size that is sustainable when measured against the level of fishing.

Nephrops norvegicus. activity by all fishermen wanting to target the stock.Discards from "Nephrops" fishery may account for up to 37% of the energy requirements of certain marine scavengers, such as the hagfish "Myxine glutinosa". Boats involved in "Nephrops" fishery also catch a number of fish species such as plaice and sole, and it is thought that without that revenue, "Nephrops" fishery would be economically unviable.## Taxonomic history."Nephrops norvegicus" was one of the species included by Carl Linnaeus in his 1758 10th edition of ', the starting point for zoological nomenclature. In that work, it was listed as ', with a type locality.

Nephrops norvegicus. of "" ("in the Norwegian sea"). In choosing a lectotype, Lipke Holthuis restricted the type locality to the Kattegat at the Kullen Peninsula in southern Sweden (). Two synonyms of the species have been published – ""Astacus rugosus", described by the eccentric zoologist Constantine Samuel Rafinesque in 1814 from material collected in the Mediterranean Sea, and "Nephropsis cornubiensis"", described by Charles Spence Bate and Joshua Brooking Rowe in 1880.As new genera were erected, the species was moved, reaching its current position in 1814, when William Elford Leach erected the genus "Nephrops" to hold this species alone. Seven fossil species have.

Nephrops norvegicus. since been described in the genus.Populations in the Mediterranean Sea are sometimes separated as ""Nephrops norvegicus" var. "meridionalis" Zariquiey, 1935", although this taxon is not universally considered valid. Murray, F., & Cowie, P. R. (2011). "Plastic contamination in the decapod crustacean "Nephrops norvegicus" (Linnaeus, 1758)". "Marine Pollution Bulletin", 62(6), 1207-1217. . "Nephrops norvegicus" (Linnaeus, 1758), FAOADRIAMED FAO Species Fact Sheet.


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

Instruction: Determine the Wikipedia snippet that matches the question of this image.

Grindelia squarrosa. Grindelia squarrosa, also known as a curly-top gumweed or curlycup gumweed, is a small North American biennial or short-lived perennial plant.## Description."G. squarrosa" is a decumbent to erect, much-branched perennial herb or subshrub growing up to 100 (cm) tall. The leaves are 1.5–7.5 (cm) long, gray-green, crenate with each tooth having a yellow bump near its tip, and resinous.The plant produces numerous flower heads in open, branching arrays. Each head usually contains 12–40 yellow ray flowers, though sometimes the rays are absent. These surround many small disc flowers. The plant blooms from July through late September. The brown seed is.

Grindelia squarrosa. usually four-angled, with loose scales."Grindelia squarrosa" var. "quasiperennis""Grindelia squarrosa" var. "serrulata""Grindelia squarrosa" var. "squarrosa"## Distribution and habitat.The species is native to western and central North America, from British Columbia east to Québec and New England, and south as far as California, New Mexico, Arizona, Chihuahua, and Texas. The species may possibly be naturalized in much of the eastern part of that distribution.It is often found in dry, open areas and disturbed roadsides and streamsides, occurring between 700 (m) and 2300 (m) in elevation.## Ecology.The species is listed by the Lady Bird Johnson Wildflower Center Native Plant Information Network as of.

Grindelia squarrosa. "Special Value to Native Bees."## Toxicity.The plant concentrates selenium from the soil, and can be toxic when ingested by cattle, humans, and other mammals.## Uses.The flowers and leaves are used by Great Plains Tribes as a medicinal herb to treat illnesses such as asthma, bronchitis or skin rashes. The powdered flowers were also once smoked in cigarettes to ease asthmatic symptoms.It is used as a traditional medicinal plant by Shoshone peoples in various regions. The Gosiute language name for the plant is "mu’-ha-kûm". The Lakota language name for the plant is "pteíčhiyuȟa."Hispanos of New Mexico boiled the buds to make.

Grindelia squarrosa. a drink to treat kidney disorders. Extracts have been made to treat skin irritations, asthma, and rheumatism. The resin has been used to treat poison ivy rashes topically.The plant is being explored as a potential source of biofuel due to its high content of mono- and di-terpenes which can be converted to a fuel analogous to kerosene or jet fuel. The plant's adaptation to arid climates makes it an attractive option as its cultivation in desert areas would not compete with traditional food crops. Calflora Database: "Grindelia squarrosa" (Curlycup gumweed).


Question: What is the source of energy of this facility?

Instruction: I want to find a paragraph from Wikipedia that answers my question about this image.

Photovoltaic system. A photovoltaic system, also PV system or solar power system, is an electric power system designed to supply usable solar power by means of photovoltaics. It consists of an arrangement of several components, including solar panels to absorb and convert sunlight into electricity, a solar inverter to convert the output from direct to alternating current, as well as mounting, cabling, and other electrical accessories to set up a working system. It may also use a solar tracking system to improve the system's overall performance and include an integrated battery. PV systems convert light directly into electricity, and are not to.

Photovoltaic system. be confused with other solar technologies, such as concentrated solar power or solar thermal, used for heating and cooling. A solar array only encompasses the ensemble of solar panels, the visible part of the PV system, and does not include all the other hardware, often summarized as balance of system (BOS). PV systems range from small, rooftop-mounted or building-integrated systems with capacities from a few to several tens of kilowatts, to large utility-scale power stations of hundreds of megawatts. Nowadays, most PV systems are grid-connected, while off-grid or stand-alone systems account for a small portion of the market.Operating silently and.

Photovoltaic system. systems, building-integrated vs. rack-mounted systems, residential vs. utility systems, distributed vs. centralized systems, rooftop vs. ground-mounted systems, tracking vs. fixed-tilt systems, and new constructed vs. retrofitted systems. Other distinctions may include, systems with microinverters vs. central inverter, systems using crystalline silicon vs. thin-film technology, and systems with modules.About 99 percent of all European and 90 percent of all U.S. solar power systems are connected to the electrical grid, while off-grid systems are somewhat more common in Australia and South Korea. PV systems rarely use battery storage. This may change, as government incentives for distributed energy storage are implemented and investments.

Photovoltaic system. in storage solutions gradually become economically viable for small systems. A typical residential solar array is rack-mounted on the roof, rather than integrated into the roof or facade of the building, which is significantly more expensive. Utility-scale solar power stations are ground-mounted, with fixed tilted solar panels rather than using expensive tracking devices. Crystalline silicon is the predominant material used in 90 percent of worldwide produced solar modules, while its rival thin-film has lost market-share. About 70 percent of all solar cells and modules are produced in China and Taiwan, only 5 percent by European and US-manufacturers. The installed capacity.

Photovoltaic system. for both small rooftop systems and large solar power stations is growing rapidly and in equal parts, although there is a notable trend towards utility-scale systems, as the focus on new installations is shifting away from Europe to sunnier regions, such as the Sunbelt in the U.S., which are less opposed to ground-mounted solar farms and cost-effectiveness is more emphasized by investors.Driven by advances in technology and increases in manufacturing scale and sophistication, the cost of photovoltaics is declining continuously. There are several million PV systems distributed all over the world, mostly in Europe, with 1.4 million systems in Germany.

Photovoltaic system. The International Energy Agency expects solar power to become the world's largest source of electricity by 2050, with solar photovoltaics and concentrated solar thermal contributing 16% and 11% to the global demand, respectively.## Solar grid-connection.A grid connected system is connected to a larger independent grid (typically the public electricity grid) and feeds energy directly into the grid. This energy may be shared by a residential or commercial building before or after the revenue measurement point, depending on whether the credited energy production is calculated independently of the customer's energy consumption (feed-in tariff) or only on the difference of energy (net.

Photovoltaic system. metering). These systems vary in size from residential (2–10 kWp) to solar power stations (up to 10s of MWp). This is a form of decentralized electricity generation. Feeding electricity into the grid requires the transformation of DC into AC by a special, synchronising grid-tie inverter. In kilowatt-sized installations the DC side system voltage is as high as permitted (typically 1000 V except US residential 600 V) to limit ohmic losses. Most modules (60 or 72 crystalline silicon cells) generate 160 W to 300 W at 36 volts. It is sometimes necessary or desirable to connect the modules partially in parallel.

Photovoltaic system. direct and angled light, somewhat reducing the benefit of tracking.Trackers and sensors to optimise the performance are often seen as optional, but they can increase viable output by up to 45%. Arrays that approach or exceed one megawatt often use solar trackers. Considering clouds, and the fact that most of the world is not on the equator, and that the sun sets in the evening, the correct measure of solar power is insolation – the average number of kilowatt-hours per square meter per day. For the weather and latitudes of the United States and Europe, typical insolation ranges from 2.26.

Photovoltaic system. be used. Many meters accumulate bidirectionally, some systems use two meters, but a unidirectional meter (with detent) will not accumulate energy from any resultant feed into the grid. In some countries, for installations over 30 kWp a frequency and a voltage monitor with disconnection of all phases is required. This is done where more solar power is being generated than can be accommodated by the utility, and the excess can not either be exported or stored. Grid operators historically have needed to provide transmission lines and generation capacity. Now they need to also provide storage. This is normally hydro-storage, but.

Photovoltaic system. large systems, although this is more commonly done with wind power than solar power, and results in a substantial loss of revenue. Three-phase inverters have the unique option of supplying reactive power which can be advantageous in matching load requirements.Photovoltaic systems need to be monitored to detect breakdown and optimize operation. There are several photovoltaic monitoring strategies depending on the output of the installation and its nature. Monitoring can be performed on site or remotely. It can measure production only, retrieve all the data from the inverter or retrieve all of the data from the communicating equipment (probes, meters, etc.).

Photovoltaic system. concentrating sunlight up to 400 times or more, with efficiencies of 24–28 percent, exceeding those of regular systems. Various designs of systems are commercially available but not very common. However, ongoing research and development is taking place.CPV is often confused with CSP (concentrated solar power) that does not use photovoltaics. Both technologies favor locations that receive much sunlight and directly compete with each other.## Hybrid.A hybrid system combines PV with other forms of generation, usually a diesel generator. Biogas is also used. The other form of generation may be a type able to modulate power output as a function of.

Photovoltaic system. photovoltaic thermal hybrid" (CPVT) system is similar to a PVT system. It uses concentrated photovoltaics (CPV) instead of conventional PV technology, and combines it with a solar thermal collector. CPV/CSP system is a proposed novel solar hybrid system, combining concentrator photovoltaics with the non-PV technology of concentrated solar power (CSP), or also known as concentrated solar thermal. PV diesel system combines a photovoltaic system with a diesel generator. Combinations with other renewables are possible and include wind turbines.## Floating solar arrays.Floating solar arrays are PV systems that float on--or are built over--the surface of drinking water reservoirs, quarry lakes, irrigation.

Photovoltaic system. saved 0.75 (acre) that would have been required for a land-based system. Another benefit of a floatovoltaic system is that the panels are kept at a cooler temperature than they would be on land, leading to a higher efficiency of solar energy conversion. The floating PV array also reduces the amount of water lost through evaporation and inhibits the growth of algae.Utility-scale floating PV farms are starting to be built. The multinational electronics and ceramics manufacturer Kyocera will develop the world's largest, a 13.4 MW farm on the reservoir above Yamakura Dam in Chiba Prefecture using 50,000 solar panels. Salt-water.


Question: In which year was this item invented or discovered?

Instruction: I want to find a paragraph from Wikipedia that answers my question about this image.

Solar cell. 1839, at age 19, he built the world's first photovoltaic cell in his father's laboratory. Willoughby Smith first described the "Effect of Light on Selenium during the passage of an Electric Current" in a 20 February 1873 issue of Nature. In 1883 Charles Fritts built the first solid state photovoltaic cell by coating the semiconductor selenium with a thin layer of gold to form the junctions; the device was only around 1% efficient. Other milestones include: 1888 – Russian physicist Aleksandr Stoletov built the first cell based on the outer photoelectric effect discovered by Heinrich Hertz in 1887. 1905 –.


Question: What is this food named after?

Instruction: Retrieve a Wikipedia paragraph that provides an answer to the given query about the image.

Peking duck. Peking duck is a dish from Beijing (Peking) that has been prepared since the Imperial era. The meat is characterized by its thin, crispy skin, with authentic versions of the dish serving mostly the skin and little meat, sliced in front of the diners by the cook. Ducks bred especially for the dish are slaughtered after 65 days and seasoned before being roasted in a closed or hung oven. The meat is often eaten with spring onion, cucumber and sweet bean sauce with pancakes rolled around the fillings. Sometimes pickled radish is also inside. Crispy aromatic duck is a similar.

Peking duck. dish to Peking duck and is popular in the United Kingdom.## History.Duck has been roasted in China since the Southern and Northern Dynasties. A variation of roast duck was prepared for the Emperor of China in the Yuan Dynasty. The dish, originally named "shāo yāzi" (燒鴨子), was mentioned in the "Complete Recipes for Dishes and Beverages" (飲膳正要) manual in 1330 by Hu Sihui (忽思慧), an inspector of the imperial kitchen. The Peking roast duck that came to be associated with the term was fully developed during the later Ming Dynasty, and by then, Peking duck was one of the main.

Peking duck. dishes on imperial court menus. The first restaurant specialising in Peking duck, Bianyifang, was established in the Xianyukou, close to Qianmen of Beijing in 1416.By the Qianlong Period (1736–1796) of the Qing Dynasty, the popularity of Peking duck spread to the upper classes, inspiring poetry from poets and scholars who enjoyed the dish. For instance, one verse of "Dūmén zhúzhīcí", a Beijing local poem was, "Fill your plates with roast duck and suckling pig".In 1864, the Quanjude (全聚德) restaurant was established in Beijing. Yang Quanren (楊全仁), the founder of Quanjude, developed the hung oven to roast ducks.By the mid-20th century,.

Peking duck. Peking duck had become a national symbol of China, favored by tourists and diplomats alike. For example, Henry Kissinger, the Secretary of State of the United States, met Premier Zhou Enlai in the Great Hall of the People on 10 July 1971, during his first (secret) visit to China. After a round of inconclusive talks in the morning, the delegation was served Peking duck for lunch, which became Kissinger's favourite. The Americans and Chinese issued a joint statement the following day, inviting President Richard Nixon to visit China in 1972. Following Zhou's death in 1976, Kissinger paid another visit to.

Peking duck. Beijing to savor Peking duck. Peking duck, at the Quanjude in particular, has also been a favorite dish for various political leaders ranging from Cuban Fidel Castro to former German chancellor Helmut Kohl.Two notable restaurants in Beijing which serve this dish are Quanjude and Bianyifang, both centuries-old establishments which have become household names, each with their own style: Quanjude is known for using the hung oven roasting method, while Bianyifang uses the oldest technique of closed oven roasting.## Preparation.## Raising the duck.The ducks used to prepare Peking duck originated in Nanjing. They were large, had black feathers, and lived in.

Peking duck. the canals that linked the city to major waterways.With the relocation of the Chinese capital to Beijing, supply barge traffic increased in that area. Often these barges spilled water into side-canals, providing a habitat for the ducks. By the time of adoption of five-spice powder, a new breed of duck had been domesticated by Chinese farmers. Nowadays, Peking duck is prepared from the American Pekin duck ("Anas platyrhynchos domestica").Newborn ducks are raised in a free range environment for the first 45 days of their lives, and force fed 4 times a day for the next 15–20 days, resulting in ducks.

Peking duck. that weigh 5–7 kg (11–15 lbs). The force feeding of the ducks led to an alternate name for the animal, "Peking "stuffed" duck" ().## Cooking the duck.Fattened ducks are killed, plucked, eviscerated and rinsed thoroughly with water. Air is pumped under the skin through the neck cavity to separate the skin from the fat. The duck is then blanched in boiling hot water for two to three minutes before it is hung up to dry. This tightens the skin. While it is hung, the duck is glazed with a layer of runny syrup, and the inside is rinsed once more.

Peking duck. with water. A second layer of glaze/marinade of soy sauce, five-spice powder, and more maltose is then applied inside and out, and the duck is left to stand for 24 hours in a cool, dry place (or a refrigerator). It is then roasted in an oven until the skin turns shiny brown.Besides two traditional methods to prepare Peking duck, recipes have been compiled by chefs around the world to produce the dish at home.## Closed-oven style.Peking duck is originally roasted in a closed oven (), and Bianyifang is the restaurant that keeps this tradition. The closed oven is built of.

Peking duck. brick and fitted with metal griddles (). The oven is preheated by burning Gaoliang sorghum straw () at the base. The duck is placed in the oven immediately after the fire burns out, allowing the meat to be slowly cooked through the convection of heat within the oven. Controlling the fuel and the temperature is the main skill. In closed-oven style, duck meat is combined well with the fat under the skin, and therefore is juicy and tender.## Open-oven style.The open oven () was developed in the imperial kitchens during the Qing Dynasty, and adopted by the Quanjude restaurant chain.

Peking duck. It is designed to roast up to 20 ducks at the same time with an open fire fueled by hardwood from peach or pear trees. The ducks are hung on hooks above the fire and roasted at a temperature of 270 °C (525 °F) for 30–40 minutes. While the ducks are roasting, the chef may use a pole to dangle each duck closer to the fire for 30-second intervals. In open-oven style, the fat is usually melted during the cooking process, so the skin is crispy.## Serving.Peking duck is traditionally carved in front of the guests and served in three.

Peking duck. stages. First, slices of duck skin are served with sugar and sweet bean sauce as a dip. Duck skin is best enjoyed hot and crisp to the bite. The meat is then served with steamed pancakes () and an assortment of vegetable dishes, typically julienned cucumber and spring onion. Traditionally, diners dip slices of duck into the condiments and wrap into the pancake with cucumber and any other ingredients. The wrap is then eaten by hand or with chopsticks. The carved duck (鸭架) – the remainder of the roast duck, with choice cuts removed – can be cooked in three.

Peking duck. ways. The traditional way is in a broth with ingredients such as Chinese cabbage and soft tofu. The carved duck can also be chopped and stir-fried in sweet bean sauce, or rapidly sautéed and served with salt and pepper (椒鹽). Otherwise, the carved duck is packed to be taken home by the customers.## Reheating.Whole Peking ducks can be ordered as takeaway. The ducks can be reheated at home with an oven or stove. When an oven is used, the duck is heated at a temperature of 150 °C (300 °F) for 20 minutes, and then at 160 °C (325 °F).

Peking duck. for another 10 minutes. The stove method involves submerging the duck in boiling water before placing it on a griddle 70 cm (28 in) above the cooking fire. The water is replaced every 3–4 minutes until the duck is piping hot. To reheat the Peking duck with oil, the duck is sliced into thin pieces and placed in a strainer held over a wok of hot oil. The duck is then rinsed several times with the oil.## Notable restaurants.A number of restaurants in Beijing specialise in Peking duck. Examples include Quanjude, Bianyifang, Changan Yihao (長安一號), Dayali, Beijing Xiaowangfu (北京小王府) and.

Peking duck. Dadong Kaoyadian (大董烤鴨店). Some restaurants, in particular Quanjude and Bianyifang, have long histories of serving high quality duck that they are now household names, or "Lao zihao" (老字号), literally "old brand name". In addition, Quanjude has received worldwide recognition, having been named a China Renowned Trademark in 1999.Duck Chang's Restaurant, established in 1975 in Virginia, USA, was the first Chinese restaurant to prepare and serve Peking duck without a 24-hour advanced notice.In 2018, the James Beard Foundation awarded Sun Wah BBQ in Chicago, Illinois with their America's Classics award, specifically citing Sun Wah's three-course "Beijing Duck Feast" in their announcement.

Peking duck. of the award.## Crispy aromatic duck.Crispy aromatic duck (香酥鴨 xiang su ya) is a similar dish to Peking duck. It is very popular in the United Kingdom, where it was created in the latter half of the twentieth century.The duck is first marinated with spices, then steamed until tender, and finally deep fried until crispy. The meat has less fat and is drier and crispier compared to that of Peking duck. Crispy aromatic duck can also be seen in the United States, usually served with buns rather than pancakes.In Germany, some Asian fusion restaurants also serve crispy aromatic duck ("Knusprige.

Peking duck. Ente"), sometimes also labeled as Peking duck ("Peking-ente", also "Pekingente"). The duck is marinated with spices and deep-fried, served together with stir-fried vegetables ("Wokgemüse") over fried noodles or with rice. Chinese cuisine List of duck dishes Mandarin cuisine Roast goose Zhangcha duck In Pictures: Making Peking Duck (BBC).


Question: What is the weight of a male of this bird in kilogram?

Instruction: You have to find a Wikipedia segment that answers the question about the displayed image.

Wandering albatross. The length of the body is about 107 to 135 (cm) with females being slightly smaller than males. Adults can weigh from 5.9 to 12.7 (kg), although most will weigh 6.35 to 11.91 (kg). On Macquarie Island, three males averaged 8.4 (kg) and three females averaged 6.2 (kg). In the Crozet Islands, males averaged 9.44 (kg) while females averaged 7.84 (kg). However, 10 unsexed adults from the Crozets averaged 9.6 (kg). On South Georgia, 52 males were found to average 9.11 (kg) while 53 females were found to average 7.27 (kg). Immature birds have been recorded weighing as much as.


Question: Which place is this plant endemic to?

Instruction: Retrieve a Wikipedia paragraph that provides an answer to the given query about the image.

Rhopalostylis sapida. Rhopalostylis sapida, commonly known as nīkau (), is a palm tree endemic to New Zealand, and the only palm native to mainland New Zealand.## Etymology. is a Māori word; in the closely related Eastern Polynesian languages of the tropical Pacific, it refers to the fronds or the midrib of the coconut palm.## Distribution.The nīkau palm is the only palm species endemic to mainland New Zealand. Its natural range is coastal and lowland forest on the North Island, and on the South Island as far south as Okarito (43°20′S) in the west and Banks Peninsula (43°5′S) in the east. It also.

Rhopalostylis sapida. occurs on Chatham Island and Pitt Island/Rangiauria to the south-east of New Zealand, where it is the world's southernmost palm at 44° 18'S latitude.Nīkau grow up to 15 m tall, with a stout, green trunk which bears grey-green leaf scars. The trunk is topped by a smooth, bulging crownshaft up to 1 m long. The fronds are up to 3 m long, and the closely set, sometimes overlapping leaflets are up to 1m long. The inflorescence is multibranched and from 20 to 40 cm long. The tightly packed flowers are unisexual and coloured lilac to pink. Male flowers are borne.

Rhopalostylis sapida. degrees of frost, but are damaged even more severely by sudden large drops in temperature even above freezing. Nīkau grow well in areas with a mild Mediterranean climate.## Variation.The nīkau palm shows considerable variation in the wild. Plants from the South Island and the offshore islands of the North Island have larger, more-gracefully-arching fronds and are popular in cultivation. The Chatham Islands form is particularly different, having a distinct juvenile form and larger fruits, and a thicker covering of fine hairs on the fronds. More research is needed into its precise relationship with the mainland form. The New Zealand nīkau.


Question: Who occupies this building?

Instruction: Determine the Wikipedia snippet that matches the question of this image.

30 St Mary Axe. 30 St Mary Axe (previously known as the Swiss Re Building and informally known as the Gherkin) is a commercial skyscraper in London's primary financial district, the City of London. It was completed in December 2003 and opened in April 2004. With 41 floors, it is 180 (m) tall and stands on the sites of the former Baltic Exchange and Chamber of Shipping, which were extensively damaged in 1992 in the Baltic Exchange bombing by a device placed by the Provisional IRA in St Mary Axe, a narrow street leading north from Leadenhall Street.After plans to build the 92-storey Millennium.

30 St Mary Axe. Barclays' former city headquarters in Lombard Street, the idea was that the passer-by in neighbouring streets would be nearly oblivious to the tower's existence until directly underneath it.## Design and construction.The building was constructed by Skanska, completed in December 2003 and opened on 28 April 2004. The primary occupant of the building is Swiss Re, a global reinsurance company, which had the building commissioned as the head office for its UK operation. The tower is thus sometimes known as the Swiss Re Building, although this name has never been official and was never in popular usage anyway, unlike the Gherkin.

30 St Mary Axe. "Johnny Mackintosh and the Spirit of London".In September 2006, the building was put up for sale with a price tag of £600 million. Potential buyers included British Land, Land Securities, Prudential, ING, and the Abu Dhabi royal family. On 21 February 2007, IVG Immobilien AG and UK investment firm Evans Randall completed their joint purchase of the building for £630 million, making it Britain's most expensive office building. Swiss Re made a gain of more than £300 million from the sale. The new owners are seeking compensation from four of their former managers on the deal, in which about £620.


Question: Which location has this plant invaded?

Instruction: I want to find a paragraph from Wikipedia that answers my question about this image.

Pontederia crassipes. of water that have already been affected by human activities, such as artificial reservoirs or eutrophied lakes that receive large amounts of nutrients. It outcompetes native aquatic plants, both floating and submerged. In 2011, Wu Fuqin et al. tracked the results of Yunnan Dianchi Lake and also showed that water hyacinth could affect the photosynthesis of phytoplankton, submerged plants and algae by water environment quality and inhibit its growth. The decay process depletes dissolved oxygen in the water, often killing fish.Water hyacinth can absorb a large amount of harmful heavy metals and other substances. After death, it will rot and.

Pontederia crassipes. tons of fresh biomass would require 75 trucks with a capacity of 40m^3, per day, for 365 days to get rid of a million tons of water hyacinth. The water hyacinth would then be transferred to a dumping site and allowed to decompose which releases CO2, CH4 and nitrogen oxides which would all negatively impact the air quality and contribute to global warming.Water hyacinth has been widely introduced in North America, Europe, Asia, Australia, Africa, and New Zealand. In many areas, it has become an important and pernicious invasive species. In New Zealand, it is listed on the National Pest.

Pontederia crassipes. and the "Japanese staff imported from Venezuela considerable numbers of water hyacinth, which were given away as souvenirs". The claim has been repeated by later writers, with various shifts in the details. Thus NAS fellow Noel D. Vietmeyer (1975) wrote that "Japanese entrepreneurs" introduced the plant into the U.S., and the plants had been "collected from the Orinoco River in Venezuela", and the claim was echoed along the same gist by a pair of NASA researchers (), who asserted that the souvenir plants were carelessly dumped in various waterways. Canadian biologist Spencer C. H. Barrett (2004) meanwhile favored the theory.

Pontederia crassipes. they were first cultivated in garden ponds, after which they multiplied and escaped to the environs. The account gains a different detail as told by children's story-teller Carole Marsh (1992), who says "Japan gave away water hyacinth seeds" during the exposition, and another Southern raconteur, Gaspar J. "Buddy" Stall (1998) assured his readership that the Japanese gave each family a package of those seeds.One paper has also inquired into the role which catalog sales of seeds and plants may have played in the dissemination of invasive plants. It has been found that "P. crassipes" was offered in the 1884 issue.

Pontederia crassipes. Corps of Engineers) tested various means of eradicating the plants, including the jet-streaming of steam and hot water, application of various strong acids, and application of petroleum followed by incineration. Spraying with saturated salt solution (but not dilute solutions) effectively killed the plants; unfortunately this was considered prohibitively expensive, and the engineers selected Harvesta brand herbicide, whose active ingredient was arsenic acid, as the optimal cost-effective tool for eradication. This herbicide was used until 1905, when it was substituted with a different, white arsenic based compound. An engineer charged with the spraying did not think the poison to be a.

Pontederia crassipes. sheep, lambs, were native to the U.S.; all had been imported by European settlers centuries before, so why should Americans hesitate to introduce hippopotamus and other large animals into the American diet? Duquesne, who was born and raised in South Africa, further noted that European settlers on that continent commonly included hippopotamus, ostrich, antelope, and other African wildlife in their diets and suffered no ill effects. The American Hippo bill nearly passed, but fell one vote short.Water hyacinths have also been introduced into waters inhabited by manatees in Florida, for the purpose of bioremediation (cf. §Phytoremediation below) of the waters.

Pontederia crassipes. development of China's inland industry, the eutrophication of inland waters has intensified. With the help of its efficient asexual reproduction and environmental adaptation mechanisms, water hyacinth has begun to spread widely in the river basin. The hyacinths blocked the river and hindered the internal water traffic. For example, many waterways in Zhejiang and other provinces were blocked by the rapidly growing water hyacinth. In addition, a large number of water hyacinths floating in the water will block sunlight from entering the water, and its decay consumes a lot of dissolved oxygen in the water, pollutes the water quality, and can.

Pontederia crassipes. kill other aquatic plants. The outbreak of water hyacinth has seriously affected the biodiversity of the local ecosystem and threatened the production, life and health of community residents.In Iraq, water hyacinth which was imported in the 1990s as a decorative plant, caused major problems for water supply systems and fishermen at the Euphrates.## Europe.In 2016, the European Union banned any sales of the water hyacinth in the EU. The species features on the list of Invasive Alien Species of Union Concern. This means that not only the sales but also importation, cultivation, or intentional release into the environment are forbidden.

Pontederia crassipes. in the whole of the European Union.## Oceania.In Papua New Guinea, water hyacinth blocked sunlight to other aquatic organisms, created habitat for malaria-carrying mosquitoes, clogged waterways to the point that boats could not get through and reduced the quality of water for purposes such as cooking, washing and drinking. People have lost income or even died due to being unable to travel to get food or medical care, or due to diseases from contaminated water or mosquitoes.## Control.Control depends on the specific conditions of each affected location such as the extent of water hyacinth infestation, regional climate, and proximity to.

Pontederia crassipes. root zones are superb micro-sites for bacterial communities.Water hyacinth is a common fodder plant in the third world especially Africa though excessive use can be toxic. It is high in protein (nitrogen) and trace minerals and the goat feces are a good source of fertilizer as well.Water hyacinth is reported for its efficiency to remove about 60–80% nitrogen and about 69% of potassium from water. The roots of water hyacinth were found to remove particulate matter and nitrogen in a natural shallow eutrophicated wetland.The plant is extremely tolerant of, and has a high capacity for, the uptake of heavy metals,.

Pontederia crassipes. portion of cultivable land goes under water for months during monsoon in this low-lying region, farmers have grown this method for many decades now. The method of this agriculture is known by many names including "dhap chash" and "vasoman chash".In Kenya, East Africa, it has been used experimentally as organic fertilizer, although there is controversy stemming from the high alkaline pH value of the fertilizer.## Other uses.In various places in the world, the plant is used for making furniture, handbags, baskets, rope, and household goods/interior products (lampshades, picture frames) by businesses launched by NGOs and entrepreneurs.## Woven products.American-Nigerian Achenyo Idachaba.


Question: Which city or region does this village locate in?

Instruction: I want to find a paragraph from Wikipedia that answers my question about this image.

Cranny. Cranny () is a small village in County Clare, Ireland.## Location.Cranny lies on the banks of the Cloon River, which flows into the estuary of the River Shannon at Clonderlaw Bay.## Facilities.There is a local Gaelic Athletic Association club, Coolmeen GAA, founded in 1887 three years after the association came together. Coolmeen GAA succeeded in the Clare Senior Football Championship in 1919 and 1921, in the Clare Intermediate Football Championship in 1959, 1966 and 1967 and in the Clare Junior A Football Championship in 1958, 1964, 1983 and 1999. The parish also has a national school. The Cranny N.S. is.


Question: What is the facet of this object?

Instruction: You have to find a Wikipedia segment that answers the question about the displayed image.

Octagon. In geometry, an octagon (from the Greek ὀκτάγωνον "oktágōnon", "eight angles") is an eight-sided polygon or 8-gon.A "regular octagon" has Schläfli symbol {8} and can also be constructed as a quasiregular truncated square, t{4}, which alternates two types of edges. A truncated octagon, t{8} is a hexadecagon, {16}. A 3D analog of the octagon can be the rhombicuboctahedron with the triangular faces on it like the replaced edges, if one considers the octagon to be a truncated square.## Properties of the general octagon.The sum of all the internal angles of any octagon is 1080°. As with all polygons, the external.

Octagon. angles total 360°.If squares are constructed all internally or all externally on the sides of an octagon, then the midpoints of the segments connecting the centers of opposite squares form a quadrilateral that is both equidiagonal and orthodiagonal (that is, whose diagonals are equal in length and at right angles to each other).The midpoint octagon of a reference octagon has its eight vertices at the midpoints of the sides of the reference octagon. If squares are constructed all internally or all externally on the sides of the midpoint octagon, then the midpoints of the segments connecting the centers of opposite.

Octagon. squares themselves form the vertices of a square.## Regular octagon.A regular octagon is a closed figure with sides of the same length and internal angles of the same size. It has eight lines of reflective symmetry and rotational symmetry of order 8. A regular octagon is represented by the Schläfli symbol {8}.The internal angle at each vertex of a regular octagon is 135° (formula_1 radians). The central angle is 45° (formula_2 radians).## Area.The area of a regular octagon of side length "a" is given byformula_3In terms of the circumradius "R", the area isformula_4In terms of the apothem "r" (see also.

Octagon. inscribed figure), the area isformula_5These last two coefficients bracket the value of pi, the area of the unit circle.The area can also be expressed asformula_6where "S" is the span of the octagon, or the second-shortest diagonal; and "a" is the length of one of the sides, or bases. This is easily proven if one takes an octagon, draws a square around the outside (making sure that four of the eight sides overlap with the four sides of the square) and then takes the corner triangles (these are 45–45–90 triangles) and places them with right angles pointed inward, forming a square.

Octagon. The edges of this square are each the length of the base.Given the length of a side "a", the span "S" isformula_7The span, then, is equal to the "silver ratio" times the side, a.The area is then as above:formula_8Expressed in terms of the span, the area isformula_9Another simple formula for the area is formula_10More often the span "S" is known, and the length of the sides, "a", is to be determined, as when cutting a square piece of material into a regular octagon. From the above,formula_11The two end lengths "e" on each side (the leg lengths of the triangles (green.

Octagon. in the image) truncated from the square), as well as being formula_12 may be calculated asformula_13## Circumradius and inradius.The circumradius of the regular octagon in terms of the side length "a" isformula_14and the inradius isformula_15## Diagonals.The regular octagon, in terms of the side length "a", has three different types of diagonals:Short diagonal;Medium diagonal (also called span or height), which is twice the length of the inradius;Long diagonal, which is twice the length of the circumradius.The formula for each of them follows from the basic principles of geometry. Here are the formulas for their length:Short diagonal: formula_16 ;Medium diagonal: formula_17 ;.

Octagon. ("silver ratio" times a) Long diagonal: formula_18 .## Construction and elementary properties.A regular octagon at a given circumcircle may be constructed as follows:Draw a circle and a diameter AOE, where O is the center and A, E are points on the circumcircle.Draw another diameter GOC, perpendicular to AOE.(Note in passing that A,C,E,G are vertices of a square).Draw the bisectors of the right angles GOA and EOG, making two more diameters HOD and FOB.A,B,C,D,E,F,G,H are the vertices of the octagon.A regular octagon can be constructed using a straightedge and a compass, as 8 = 23, a power of two:The regular octagon.

Octagon. can be constructed with meccano bars. Twelve bars of size 4, three bars of size 5 and two bars of size 6 are required.Each side of a regular octagon subtends half a right angle at the centre of the circle which connects its vertices. Its area can thus be computed as the sum of 8 isosceles triangles, leading to the result:formula_19for an octagon of side "a".## Standard coordinates.The coordinates for the vertices of a regular octagon centered at the origin and with side length 2 are:(±1, ±(1+)) (±(1+), ±1).## Dissection.Coxeter states that every zonogon (a 2"m"-gon whose opposite sides are.

Octagon. 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. For the "regular octagon", "m"=4, and it can be divided into 6 rhombs, with one example shown below. This decomposition can be seen as 6 of 24 faces in a Petrie polygon projection plane of the tesseract. The list defines the number of solutions as 8, by the 8 orientations of this one dissection. These squares and rhombs are used in the Ammann–Beenker tilings.## Skew octagon.A skew octagon is a.

Octagon. skew polygon with 8 vertices and edges but not existing on the same plane. The interior of such an octagon is not generally defined. A "skew zig-zag octagon" has vertices alternating between two parallel planes.A regular skew octagon is vertex-transitive with equal edge lengths. In 3-dimensions it will be a zig-zag skew octagon and can be seen in the vertices and side edges of a square antiprism with the same D4d, [2+,8] symmetry, order 16.## Petrie polygons.The regular skew octagon is the Petrie polygon for these higher-dimensional regular and uniform polytopes, shown in these skew orthogonal projections of in A7,.

Octagon. B4, and D5 Coxeter planes.## Symmetry of octagon.The "regular octagon" has Dih8 symmetry, order 16. There are 3 dihedral subgroups: Dih4, Dih2, and Dih1, and 4 cyclic subgroups: Z8, Z4, Z2, and Z1, the last implying no symmetry.On the regular octagon, there are 11 distinct symmetries. John Conway labels full symmetry as r16. The dihedral symmetries are divided depending on whether they pass through vertices (d for diagonal) or edges (p for perpendiculars) Cyclic symmetries in the middle column are labeled as g for their central gyration orders. Full symmetry of the regular form is r16 and no symmetry is.

Octagon. labeled a1.The most common high symmetry octagons are p8, an isogonal octagon constructed by four mirrors can alternate long and short edges, and d8, an isotoxal octagon 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 octagon.Each subgroup symmetry allows one or more degrees of freedom for irregular forms. Only the g8 subgroup has no degrees of freedom but can seen as directed edges.## Uses of octagons.The octagonal shape is used as a design element in architecture. The Dome of.


Question: What is the vertex figure of this object?

Instruction: I want to find a paragraph from Wikipedia that answers my question about this image.

Tetrahedron. of a tetrahedron the base is a triangle (any of the four faces can be considered the base), so a tetrahedron is also known as a "triangular pyramid".Like all convex polyhedra, a tetrahedron can be folded from a single sheet of paper. It has two such nets.For any tetrahedron there exists a sphere (called the circumsphere) on which all four vertices lie, and another sphere (the insphere) tangent to the tetrahedron's faces.## Regular tetrahedron.A regular tetrahedron is a tetrahedron in which all four faces are equilateral triangles. It is one of the five regular Platonic solids, which have been known.

Tetrahedron. edge of the base. This follows from the fact that the medians of a triangle intersect at its centroid, and this point divides each of them in two segments, one of which is twice as long as the other (see ).For a regular tetrahedron with side length "a", radius "R" of its circumscribing sphere, and distances "di" from an arbitrary point in 3-space to its four vertices, we haveformula_7## Isometries of the regular tetrahedron.The vertices of a cube can be grouped into two groups of four, each forming a regular tetrahedron (see above, and also , showing one of the.

Tetrahedron. with four congruent triangles as faces; the triangles necessarily have all angles acute. The regular tetrahedron is a special case of a disphenoid. Other names for the same shape include bisphenoid, isosceles tetrahedron and equifacial tetrahedron.## Orthoschemes.A 3-orthoscheme is a tetrahedron where all four faces are right triangles. An orthoscheme is an irregular simplex that is the convex hull of a tree in which all edges are mutually perpendicular. In a 3-dimensional orthoscheme, the tree consists of three perpendicular edges connecting all four vertices in a linear path that makes two right-angled turns. The 3-orthoscheme is a tetrahedron having two.

Tetrahedron. its characteristic tetrahedron by its planes of symmetry.If the tetrahedron has edge length 2, its characteristic tetrahedron's six edges have lengths , , (the exterior right triangle face, the "characteristic triangle" of the tetrahedron), plus , , (edges that are the "characteristic radii" of the tetrahedron). The 3-edge path along orthogonal edges of the orthoscheme is , , , first from a tetrahedron vertex to an tetrahedron edge center, then turning 90° to an tetrahedron face center, then turning 90° to the tetrahedron center. The orthoscheme has four dissimilar right triangle faces. The exterior face is a 30-60-90 triangle which.

Tetrahedron. is one-sixth of a tetrahedron face. The three faces interior to the tetrahedron are: a right triangle with edges , , , a right triangle with edges , , , and a right triangle with edges , , .## Space-filling tetrahedra.A space-filling tetrahedron packs with directly congruent or enantiomorphous (mirror image) copies of itself to tile space. The cube can be dissected into six 3-orthoschemes, three left-handed and three right-handed (one of each at each cube face), and cubes can fill space, so the characteristic 3-orthoscheme of the cube is a space-filling tetrahedron in this sense. A disphenoid can be.

Tetrahedron. area of a triangle.Let be three edges that meet at a point, and the opposite edges. Let be the volume of the tetrahedron; thenformula_19whereformula_20The above formula uses six lengths of edges, and the following formula uses three lengths of edges and three angles.formula_21## Heron-type formula for the volume of a tetrahedron.If , , , , , are lengths of edges of the tetrahedron (first three form a triangle; with opposite , opposite , opposite ), thenformula_22where formula_23 formula_24## Volume divider.Any plane containing a bimedian (connector of opposite edges' midpoints) of a tetrahedron bisects the volume of the tetrahedron.## Non-Euclidean volume.For.

Tetrahedron. as calculated here. Then another volume formula is given byformula_25## Properties analogous to those of a triangle.The tetrahedron has many properties analogous to those of a triangle, including an insphere, circumsphere, medial tetrahedron, and exspheres. It has respective centers such as incenter, circumcenter, excenters, Spieker center and points such as a centroid. However, there is generally no orthocenter in the sense of intersecting altitudes.Gaspard Monge found a center that exists in every tetrahedron, now known as the Monge point: the point where the six midplanes of a tetrahedron intersect. A midplane is defined as a plane that is orthogonal to.

Tetrahedron. segment joining the midpoints of two opposite edges is called a "bimedian" of the tetrahedron. Hence there are four medians and three bimedians in a tetrahedron. These seven line segments are all concurrent at a point called the "centroid" of the tetrahedron. In addition the four medians are divided in a 3:1 ratio by the centroid (see Commandino's theorem). The centroid of a tetrahedron is the midpoint between its Monge point and circumcenter. These points define the "Euler line" of the tetrahedron that is analogous to the Euler line of a triangle.The nine-point circle of the general triangle has an.

Tetrahedron. face.The radius of the twelve-point sphere is one third of the circumradius of the reference tetrahedron.There is a relation among the angles made by the faces of a general tetrahedron given byformula_26where "α" is the angle between the faces "i" and "j".The geometric median of the vertex position coordinates of a tetrahedron and its isogonic center are associated, under circumstances analogous to those observed for a triangle. Lorenz Lindelöf found that, corresponding to any given tetrahedron is a point now known as an isogonic center, "O", at which the solid angles subtended by the faces are equal, having a common.

Tetrahedron. and counterclockwise orientations of the surface.Putting any of the four vertices in the role of "O" yields four such identities, but at most three of them are independent: If the "clockwise" sides of three of them are multiplied and the product is inferred to be equal to the product of the "counterclockwise" sides of the same three identities, and then common factors are cancelled from both sides, the result is the fourth identity.Three angles are the angles of some triangle if and only if their sum is 180° (π radians). What condition on 12 angles is necessary and sufficient for.

Tetrahedron. them to be the 12 angles of some tetrahedron? Clearly the sum of the angles of any side of the tetrahedron must be 180°. Since there are four such triangles, there are four such constraints on sums of angles, and the number of degrees of freedom is thereby reduced from 12 to 8. The four relations given by this sine law further reduce the number of degrees of freedom, from 8 down to not 4 but 5, since the fourth constraint is not independent of the first three. Thus the space of all shapes of tetrahedra is 5-dimensional.## Law of.

Tetrahedron. of the tetrahedron.With this definition, the circumcenter of a tetrahedron with vertices ,, can be formulated as matrix-vector product:formula_35In contrast to the centroid, the circumcenter may not always lay on the inside of a tetrahedron.Analogously to an obtuse triangle, the circumcenter is outside of the object for an obtuse tetrahedron.## Centroid.The tetrahedron's center of mass computes as the arithmetic mean of its four vertices, see Centroid.## Faces.The sum of the areas of any three faces is greater than the area of the fourth face.## Integer tetrahedra.There exist tetrahedra having integer-valued edge lengths, face areas and volume. These are called Heronian.

Tetrahedron. tetrahedra. One example has one edge of 896, the opposite edge of 990 and the other four edges of 1073; two faces are isosceles triangles with areas of and the other two are isosceles with areas of , while the volume is .A tetrahedron can have integer volume and consecutive integers as edges, an example being the one with edges 6, 7, 8, 9, 10, and 11 and volume 48.## Related polyhedra and compounds.A regular tetrahedron can be seen as a triangular pyramid.A regular tetrahedron can be seen as a degenerate polyhedron, a uniform "digonal antiprism", where base polygons are.


Question: What is this animal named after?

Instruction: Retrieve a Wikipedia paragraph that provides an answer to the given query about the image.

Catfish. Catfish (or catfishes; order Siluriformes or Nematognathi) are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the three largest species alive, the Mekong giant catfish from Southeast Asia, the wels catfish of Eurasia, and the piraíba of South America, to detritivores (species that eat dead material on the bottom), and even to a tiny parasitic species commonly called the candiru, "Vandellia cirrhosa". Neither the armour-plated types nor the naked types have scales. Despite their name, not all catfish have prominent barbels or "whiskers". Members of.

Catfish. spines. Due to these constraints, some fish may not even be able to produce a specific sound. In several different species of catfish, aggressive sound production occurs during cover site defense or during threats from other fish. More specifically, in long-whiskered catfish, drumming sounds are used as a threatening signal and stridulations are used as a defense signal. Kaatz investigated 83 species from 14 families of catfish, and determined that catfish produce more stridulatory sounds in disturbance situations and more swimbladder sounds in intraspecific conflicts.## Economic importance.## Aquaculture.Catfish are easy to farm in warm climates, leading to inexpensive and safe.

Catfish. found in the aquarium trade are banjo catfish, talking catfish, and long-whiskered catfish.## Catfish as food.Catfish have widely been caught and farmed for food for hundreds of years in Africa, Asia, Europe, and North America. Judgments as to the quality and flavor vary, with some food critics considering catfish excellent to eat, while others dismiss them as watery and lacking in flavor. Catfish is high in vitamin D. Farm-raised catfish contains low levels of omega-3 fatty acids and a much higher proportion of omega-6 fatty acids.In Central Europe, catfish were often viewed as a delicacy to be enjoyed on feast.


Question: Which location has this animal invaded?

Instruction: Determine the Wikipedia snippet that matches the question of this image.

Wild boar. the tiger and Komodo dragon respectively. The wild boar has a long history of association with humans, having been the ancestor of most domestic pig breeds and a big-game animal for millennia. Boars have also re-hybridized in recent decades with feral pigs; these boar–pig hybrids have become a serious pest wild animal in the Americas and Australia.## Terminology.As true wild boars became extinct in Great Britain before the development of Modern English, the same terms are often used for both true wild boar and pigs, especially large or semi-wild ones. The English "boar" stems from the Old English , which.


Question: What was the building or structure prior to the existence of this building?

Instruction: Determine the Wikipedia snippet that matches the question of this image.

30 St Mary Axe. 30 St Mary Axe (previously known as the Swiss Re Building and informally known as the Gherkin) is a commercial skyscraper in London's primary financial district, the City of London. It was completed in December 2003 and opened in April 2004. With 41 floors, it is 180 (m) tall and stands on the sites of the former Baltic Exchange and Chamber of Shipping, which were extensively damaged in 1992 in the Baltic Exchange bombing by a device placed by the Provisional IRA in St Mary Axe, a narrow street leading north from Leadenhall Street.After plans to build the 92-storey Millennium.

30 St Mary Axe. Tower were dropped, 30 St Mary Axe was designed by Norman Foster and the Arup Group. It was erected by Skanska; construction started in 2001.The building has become a recognisable landmark of London, and it is one of the city's most widely recognised examples of contemporary architecture. It won the 2003 Emporis Skyscraper Award.## Site and early plans.The building stands on the site of the former Baltic Exchange (24–28 St Mary Axe), which was the headquarters of a global marketplace for shipping freight contracts and soft commodities, and the Chamber of Shipping (30–32 St Mary Axe). The tower's topmost panoramic.

30 St Mary Axe. dome, known as the "lens", recalls the iconic glass dome that covered part of the ground floor of the Baltic Exchange and much of which is now displayed at the National Maritime Museum. "The Gherkin" nickname was applied to the current building at least as early as 1999, referring to the plan's highly unorthodox layout and appearance.On 10 April 1992, the Provisional IRA detonated a bomb close to the Baltic Exchange, causing extensive damage to the historic building and neighbouring structures. The United Kingdom government's statutory adviser on the historic environment, English Heritage, and the City of London's governing body,.

30 St Mary Axe. the City of London Corporation, were keen that any redevelopment must restore the Baltic Exchange's old façade onto St Mary Axe. The Exchange Hall was a celebrated fixture of the shipping market.English Heritage then discovered that the damage was far more severe than initially thought, and they stopped insisting on full restoration, albeit over the objections of architectural conservationists. The Baltic Exchange and the Chamber of Shipping sold the land to Trafalgar House in 1995. Most of the remaining structures on the Baltic Exchange site were then carefully dismantled, and the interior of Exchange Hall and the façade were preserved,.

30 St Mary Axe. accepted.## Planning process.John Prescott, the Deputy Prime Minister, granted planning permission on 23 August 2000 to construct a building on the site, which would be much larger than the old Exchange. The site needed development, was not on any of the "sight lines" (planning guidance requires that new buildings do not obstruct or detract from the view of St Paul's Cathedral dome when viewed from a number of locations around London), and had housed the Baltic Exchange.The plan for the site was to reconstruct the Baltic Exchange. GMW Architects proposed a new rectangular building surrounding a restored exchange: it would.


Question: What is the architectural style of this facility?

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La Recoleta Cemetery. while Torcuato de Alvear was mayor of the city, by the Italian architect Juan Antonio Buschiazzo.## Description.Set in 5.5 (ha), the site contains 4691 vaults, all above ground, of which 94 have been declared National Historical Monuments by the Argentine government and are protected by the state. The entrance to the cemetery is through neo-classical gates with tall Doric columns. The cemetery contains many elaborate marble mausoleums, decorated with statues, in a wide variety of architectural styles such as Art Deco, Art Nouveau, Baroque, and Neo-Gothic, and most materials used between 1880 and 1930 in the construction of tombs were.


Question: What is the conservation status of this fish? (The status is assigned by the international union for conservation of nature. Choose one among Endangered,Least Concern,Critically Endangered,extinct species,extinct in the wild,Vulnerable,Near Threatened,Data Deficient).

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Bonnethead. commercial and recreational fisheries and constitutes up to 50% of all small shark landings in the Eastern US, but is still reasonably abundant there as well as in the Atlantic Coasts of the Bahamas and Mexico. However, significant declines have been reported in the Caribbean Sea and Atlantic Central America and massive declines along with widespread disappearance on the Atlantic Coast of South America as well as most of the shark's Pacific range, leading it to be uplifted to 'Endangered" in 2020.Since October 2021, "S. tiburo" has been classified as Largely Depleted by the IUCN. Species Description of Sphyrna tiburo.


Question: What is the basionym of this plant?

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Pelargonium peltatum. bases of these mericarps each contain one hairless, brown, ellipse-shaped seed of about 5 mm long and 2 mm in diameter."P. peltatum" has nine homologous sets of chromosomes (2x=18).## Taxonomy.The ivy-leaved pelargonium was first described by Carl Linnaeus, based on a specimen that was growing in the garden of George Clifford III, in his 1753 groundbreaking book "Species Plantarum", and he named it "Geranium peltatum". When Charles Louis L'Héritier de Brutelle erected a new genus, "Pelargonium", in William Aiton’s book "Hortus Kewensis", published in 1789, he reassigned the species and made the new combination "P. peltatum". Later, in 1792, L'Héritier.


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

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Plecoptera. Plecoptera is an order of insects, commonly known as stoneflies. Some 3,500 species are described worldwide, with new species still being discovered. Stoneflies are found worldwide, except Antarctica. Stoneflies are believed to be one of the most primitive groups of Neoptera, with close relatives identified from the Carboniferous and Lower Permian geological periods, while true stoneflies are known from fossils only a bit younger. Their modern diversity, however, apparently is of Mesozoic origin.Plecoptera are found in both the Southern and Northern Hemispheres, and the populations are quite distinct, although the evolutionary evidence suggests species may have crossed the equator on.


Question: On what date did this facility officially open?

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La Recoleta Cemetery. () and a church, Our Lady of Pilar ("), built in 1732.The order was disbanded in 1822, and the garden of the convent was converted into the first public cemetery in Buenos Aires. Inaugurated on 17 November of the same year under the name of " (Northern Cemetery), those responsible for its creation were the then-Governor Martin Rodríguez, who would be eventually buried in the cemetery, and government minister Bernardino Rivadavia.The 1822 layout was done by French civil engineer Próspero Catelin, who also designed the current facade of the Buenos Aires Metropolitan Cathedral. The cemetery was last remodeled in 1881,.


Question: What is the conservation status of this animal? (The status is assigned by the international union for conservation of nature. Choose one among Endangered,Least Concern,Critically Endangered,extinct species,extinct in the wild,Vulnerable,Near Threatened,Data Deficient).

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Leatherback sea turtle. initiatives."D. coriacea" is listed on CITES Appendix I, which makes export/import of this species (including parts) illegal. It has been listed as an EDGE species by the Zoological Society of London.The species is listed in the IUCN Red List of Threatened Species as VU (Vulnerable), and additionally with the following infraspecific taxa assessments: East Pacific Ocean subpopulation: CR (Critically Endangered) Northeast Indian Ocean subpopulation: DD (Data Deficient) Northwest Atlantic Ocean subpopulation: EN (Endangered) Southeast Atlantic Ocean subpopulation: DD (Data Deficient) Southwest Atlantic Ocean subpopulation CR (Critically Endangered) Southwest Indian Ocean subpopulation CR (Critically Endangered) West Pacific Ocean subpopulation CR (Critically.