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← ScienceWith naturally decaying isotopes in geochronology, which limit affects dating accuracy?
A)Isotopic fractionation during source material✓
B)Maintaining precise isotopic equilibrium condition
C)Primordial isotopic gas phase separation
D)Vapor-solid diffusion limits are reached
💡 Explanation
Isotopic fractionation affects accuracy because it’s variations change isotope ratios over time, rather than maintaining a reliable constant since rock formation. Precise equilibrium isn't needed therefore fractionation, rather than these other options, skews the dating assumptions.
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