Question

carbon dating makes use of the principle of

Answer 1

Carbon dating is the method to determine the age of an object. It uses the principle of atomic masses  to determine the isotopes, so carbon can be dated back according to these isotopes 

Answer 2

Explanation:

When they die, they stop exchanging carbon with the biosphere and their carbon 14 content then starts to decrease at a rate determined by the law ofradioactive decay. Radiocarbon dating is essentially a method designed to measure residual radioactivity.