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Biology, 18.07.2019 02:00 kyleeharr1370
Aparent isotope has a half life of 1 million years. if a rock contained 20 mg of the parent isotope when it formed, how much parent isotope would be left after 2 million years?
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Aparent isotope has a half life of 1 million years. if a rock contained 20 mg of the parent isotope...
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