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Biology 20 Online
OpenStudy (anonymous):

Your friend gives you a rock as a gift and tells you the rock is 40 million years old. How could you prove the rock is indeed 40 million years old? Design a procedure for determining the relative and absolute age of the rock.

OpenStudy (anonymous):

Someone else asked the same question a couple days ago. Look up isotopic dating on Wikipedia or Google.

OpenStudy (anonymous):

ya i saw it theng i thing it was on monday

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