Question

Which is true about relative dating?

Potassium –Argon dating is used on very old rocks and minerals.

Carbon-14 dating is used on rocks and minerals that are relatively young

Relative dating uses the half-life of isotopes to get the exact age of a rock or mineral

The law of superposition is used to determine a rocks relative age.

Answer 1

The law of superposition is used to determine a rocks relative age.

Answer 2

it's the last one because it's depended on the rock layers