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Question
The practical limit for 14C dating occurs when its activity falls to 0.20% of its original value due to interference in detectors by natural background radiation. If the half-life is 5715 years, what is the maximum age of a sample that can be dated by 14C without interference?A) 1.3 104 years
B) 2.9 104 years
C) 5.1 104 years
D) 2.9 106 years
Answer
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