The diagram shows the fossils found in different layers of a rock.

A diagram labeled Fossil Layers is shown. The topmost layer is labeled A and shows the skeleton of a fish, the second layer from the top is labeled B and shows a shell, the third layer from the top is labeled C and shows a fern leaf, and the lowermost layer shows an oak leaf

Which statement is correct?

Group of answer choices

The fossil in Layer A is older than the fossil in Layer B.

The fossil in Layer C is older than the fossil in Layer D.

The fossil in Layer C is younger than the fossil in Layer A.

The fossil in Layer B is younger than the fossils in Layer C.