Bree121Bree12 Bree121Bree12

20-01-2017
Chemistry

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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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herbert1738 herbert1738

20-01-2017

22 million years ago

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LILTray1900 LILTray1900

20-01-2017

yea i think it was 22million years ago

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