Question

Scientists can determine the age of a layer of rock by...?

A)examining the fossils within it.
B)identifying the minerals within it.
C)studying how it has been affected by erosion.
D)comparing the size of one layer with other layers.

Answer 1

B) Identifying the minerals within it

Step-by-step explanation:

Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date the age of rock layers.