Answer :
I’m pretty sure the answer is half life decay, we did an experiment in my science class on it last year.
Answer:
Half-life decay
Explanation:
Radiometric dating or radioactive dating, as it is also known, is a very useful procedure to determine the age of different ancient elements like minerals and rocks, comparing the present amount of a certain isotope which is radioactive in the material with its decay products, through the use of established decay standards.