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Recent Evidence That Supports the Controversial Claim Based on Carbon

Question 93

Multiple Choice

Recent evidence that supports the controversial claim based on carbon isotope ratios of biological activity in 3.85 billion year old rocks from Greenland includes the discovery of


A) isotopes other than carbon that also show ratios consistent with biological activity
B) microfossils within the rocks
C) DNA within the rocks
D) oxygen gas trapped within the rocks

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