Use this sentence: Scientists found a fossil in a layer of rock that is 10 million years old.

Question

Which is correct about the fossil's relative age?

(1 point)
Responses

The fossil must be younger than 10 million years.
The fossil must be younger than 10 million years.

The fossil is exactly 10 million years old.
The fossil is exactly 10 million years old.

The fossil cannot be dated with the given information.
The fossil cannot be dated with the given information.

The fossil must be older than 10 million years.

Answer 1

The correct response regarding the fossil's relative age is:

The fossil must be younger than 10 million years.

This is because the fossil was found in a layer of rock that is dated to be 10 million years old, which means the fossil cannot be older than the rock layer itself.