Fact 1: Fossils are formed when layers of sediment cover the remains of organisms over time.

Fact 2: Plants and animals are organisms.

Given the two facts above, answer the question "What forms when plants are covered in layers of sediment over time?" with the following options: 
- Conifers
 - watershred
 - fossils
 - H2O
 - Echinoids
 - bubbles
 - loose soil
 - bones


 

   fossils      