You are presented with the question "layers of sand over animal remains eventually creates what?" and the following answer choices: 
- detritus
 - fossils
 - coral reef
 - glass
 - soils
 - loose soil
 - sand traps
 - quick sand

Now knowing that fossils are formed when layers of sediment cover the remains of organisms over time and sand and mud are examples of sediments, choose the best answer.


 

  fossils       