The reason that radiocarbon dating results must be calibrated is that,contrary to what Libby assumed
A) the half-life of 14C samples from wet contexts is twice that of 14C samples from dry contexts
B) the concentration of 14C in the atmosphere has actually remained the same over time
C) the concentration of 14C in the atmosphere has actually varied over time
D) the concentration of 14C in the atmosphere has nothing to do with radiocarbon dating
E) the half-life of 14C has been seriously modified by pollution in the atmosphere
Correct Answer:
Verified
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