Index Fossils can help scientists determine the age of a rock layer because they are present in every rock layer since the beginning of life on Earth.

Question

asked Jun 22, 2022 142k views

1 Answer

Keba · Answer 1 · 2022-06-26T19:10:45+0000

Answer:

They were only present during a short time frame, so it helps to narrow down the age of the rock layer.

Explanation: hope this helps :)