Question

Fossils in layers of rock are generally estimated to be than fossils found in the upper layers

A) older, younger
B) newer, younger
C) older, older
D)newer, older​

Answer 1

c

Step-by-step explanation:

Answer 2

C) older, older. The younger the layers, the least likely you are to find any fossils; since fossils are very old, you would expect to find them in older layers.