Multiple Choice
Carbon-14,which is present in all living tissue,radioactively decays via a first-order process.A one-gram sample of wood taken from a living tree gives a rate for carbon-14 decay of 13.6 counts per minute.If the half-life for carbon-14 is 5715 years,how old is a wood sample that gives a rate for carbon-14 decay of 7.9 counts per minute?
A) 2.2 × 103 yr
B) 3.1 × 103 yr
C) 4.5 × 103 yr
D) 1.4 × 104 yr
Correct Answer:
Verified
Correct Answer:
Verified
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