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← ScienceWhich outcome occurs when carbon-14 dating underestimates age?
A)Sample contamination introduces modern carbon✓
B)Cosmic ray flux reached past maxima
C)Atmospheric carbon-14 production slowed down
D)Decay constant exhibits temporal oscillation
💡 Explanation
Underestimation of age arises because the radiocarbon dating method assumes a fixed intitial ratio. Upon sample contamination, radioactive decay of C-14 leads to lower apparent age. Therefore contamination introduces modern carbon, rather than altered constants or production minima.
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