Question

this diagram shows fossils in an undisturbed sedimentary rock sequence. shallower deeper which of the following fossils is youngest? select the most likely answer. coral mammal tooth clam

Explanation:

In undisturbed sedimentary rock, the principle of superposition states that the youngest layers are at the top (shallowest) and oldest at the bottom (deepest). The mammal tooth fossil is in the topmost shallowest layer, so it is the youngest.

Answer:

B. mammal tooth