The Technique Called Radiometric Dating Is Based on

question 17

Multiple Choice

The technique called radiometric dating is based on

• A)the steady, clocklike decay of certain radioactive isotopes over time.
• B)the assumption that radioactive isotopes accumulate in fossils at a constant rate.
• C)the formation of radioactive molecules in rocks after they are laid down.
• D)the use of fossils of known age to determine how fast carbon-14 decays.

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