asked 207k views
4 votes
which best helps scientists determine the age of fossils? a. physical traits b. genetic makeup c. reproductive strategy d. radioactive isotopes

2 Answers

5 votes

the correct answer is radioactive isotopes

answered
User Astasiak
by
8.4k points
5 votes
it would be the genetic make up of an organism
answered
User Paul Trmbrth
by
8.8k points

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