149k views
5 votes
What are two radioactive isotopes that are useful for dating old rocks

User Lester S
by
7.8k points

2 Answers

3 votes
The Parent and the Daughter are two radioactive isotopes that are useful for dating old rocks.
User Abudker
by
7.3k points
5 votes
Parent and daughter isotopes are the two radioactive isotopes that are useful for dating old rocks.
User ForYourOwnGood
by
7.2k points