Question

If you are examining rock layers that are suspected to be about 20 million years old,

which radioactive isotope would you use? Explain your answer.

Answer 1

Radiometric dating.

Step-by-step explanation:

Absolute dating is the scientific process of finding out the age of an object or artifact by anthropologists.

Radiometric dating is much like absolute dating but it uses parent isotopes to measure and determine age of rock particles