Question

The table below shows the age of fossils found in four separate layers of an undisturbed rock:

Fossils In Rock Layers

Layer Fossil in Layer Age of Fossil (million years)

A W 550

B X 240

C Y 680

D Z 450



Which is the topmost layer of the rock?

Layer A

Layer B

Layer C

Layer D

Answer 1

a.............
b.............

Answer 2

B, "Layer B."

The reason why is because it is the youngest layer.