You are presented with the question "what are found in place to indicate a place used to be covered by water?" and the following answer choices: 
- mussels
 - Sea urchins
 - Conifers
 - patch reefs
 - graptolites
 - loose dirt
 - cartilage
 - Sediment

Now knowing that if fossils of a water animal or plant are found in a place then that place used to be covered by water in the past and graptolites , in deep-water deposits, are the dominant fossils, choose the best answer.


 

     graptolites    