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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
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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?

User Nate Cavanaugh
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2 Answers

6 votes
yea i think it was 22million years ago
User DoomageAplentty
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2 votes
22 million years ago
User CiaPan
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8.5k points
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