You are presented with the question "What can be formed when layers of sediment cover the remains of fish?" and the following answer choices: 
- oysters
 - detritus
 - bones
 - deposits
 - fossils
 - metamorphic rocks
 - volcanic rock
 - shells

Now knowing that fossils are formed when layers of sediment cover the remains of organisms over time and fish Fish are the ultimate aquatic organism, choose the best answer.


 

     fossils    