Which of the Following Pairs Radioactive Isotopes Is Used in Radioactive

question 33

Multiple Choice

Which of the following pairs radioactive isotopes is used in radioactive fossil dating?

• A) ¹⁴C and ⁴⁰K
• B) ¹²C and ⁴⁰K
• C) ¹²C and ⁴⁰Ar
• D) ⁴⁰K and ¹⁴N

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