Geography, 10.03.2020 01:31 darrengresham999

A zircon in a lava flow is going through radioactive decay. By the time a sample is collected by a geologist, only six percent of its original parent material still remains. How many half-lives has the zircon experienced?

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A zircon in a lava flow is going through radioactive decay. By the time a sample is collected by a g...

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