The 14C:12C ratio can be used to date fossils that are up to approximately how old?
A) 100 million years
B) 7 million years
C) 75,000 years
D) 7,500 years
Correct Answer:
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Q5: The earliest discovered fossils are of _
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A)
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Q13: Potassium-40 can be used to date _
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