Select from the following.
1). Conifers.
2). watershred.
3). fossils.
4). H2O.
5). Echinoids.
6). bubbles.
7). loose soil.
8). bones.
Given those answer options, answer the question: 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, what forms when plants are covered in layers of sediment over time?
A:
3).