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Biology, 04.12.2020 21:10 dora8798

Please hurry I have 5mins left Which pair of elements can be used to determine the age of a fossil that is over one billion years old?

A. lead, which is radioactive, and uranium, which is stable

B. carbon, which is radioactive, and nitrogen, which is stable

C. argon, which is radioactive, and lead, which is stable

D. potassium, which is radioactive, and argon, which is stable

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