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3 December, 01:27

Why do scientists use radioactive decay to determine the age of fossils?

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  1. 3 December, 01:36
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    Carbon - 14 has a half - life of 5,730 years. scientists determine the ages of once-living things by measuring the amount of carbon-14 in the material.
  2. 3 December, 01:46
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    Because it gives them their answer in about two days unlike other ways of finding out the age which could take weeks
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