wwesuplexcity28 wwesuplexcity28

18-02-2021
Biology

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You find a rock sample with radioactive atoms present. 25% of the original radioactive atoms were present, how many half lives have passed

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almahernandez36 almahernandez36

19-02-2021

Answer:

Im literally taking a test that my teacher made and i have no idea what the answer is

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