Solve the problem.An artifact is discovered at a certain site. If it has 67% of the carbon-14 it originally contained, what is the approximate age of the artifact to the nearest year? (carbon-14 decays at the rate of 0.0125% annually.)
A. 3204 years
B. 1391 years
C. 5360 years
D. 2640 years
Answer: A
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