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Mathematics, 15.01.2020 07:31 nakeytrag
Carbon dating
repeat exercise 19 for a piece of charcoal that contains 30% as much radioactive carbon as a modern piece.
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Carbon dating
repeat exercise 19 for a piece of charcoal that contains 30% as much radioactive...
repeat exercise 19 for a piece of charcoal that contains 30% as much radioactive...
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