Multiple Choice
The technique called radiometric dating is based on
A) the use of fossils of known age to determine how fast carbon- 14 decays.
B) the assumption that radioactive isotopes accumulate in fossils at a constant rate.
C) the steady,clocklike decay of certain radioactive isotopes over time.
D) the formation of radioactive molecules in rocks after they are laid down.
Correct Answer:

Verified
Correct Answer:
Verified
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