Question

3c. which rock layer most likely contains fossils of the most recently evolved organisms? a 1 b 2 c 3 d 4

Explanation:

In geology, the principle of superposition states that in undisturbed sedimentary rock layers, the youngest layer is on top and the oldest is at the bottom. Fossils in the top - most layer (assuming no major geological disturbances like overturning) would be of the most recently evolved organisms as new layers form over time.

Answer:

A. 1