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23 April, 07:28

A fossilized animal that was killed by a volcanic eruption has 6.25 percent of its original amount of carbon-14 remaining; this radioisotope has a half-life of 5730 years. How long ago did the volcano erupt?

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  1. 23 April, 07:48
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    Yea i think it was 22million years ago
  2. 23 April, 08:38
    0
    22 million years ago
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