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Biology, 24.06.2019 14:30 iRaMpAgez

Need brainliest***a substance has a half-life of 60,000 years and an initial mass of 1,000 grams. how many years will pass before only 250 grams of the substance's parent material is left?

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Need brainliest***a substance has a half-life of 60,000 years and an initial mass of 1,000 grams....
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