Potassium-40 (⁴⁰K)

question 48

Multiple Choice

Potassium-40 (⁴⁰K)

• A) decays to the gas, argon-40 (40Ar)
• B) decays to carbon-14
• C) has a full-life of 1.25 billion years
• D) is the same as carbon-14
• E) is destructive and therefore not used by paleoanthropologists

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