Chemistry, 26.09.2019 22:00 research73
Scientists infer that early north american humans hunted the mastodon. carbon-14 dating of the rib bone indicates that 2.4 half-lives have passed since the mastodon was killed. approximately how many years ago did the mastodon die?
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Scientists infer that early north american humans hunted the mastodon. carbon-14 dating of the rib b...
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