Geography, 25.07.2020 22:01, johajackson2014
Element A decays into element B with a half-life of 700 million years. You find a rock that you know was formed originally without any B present. But the rock now contains both A and B, with the A B portion of the rock being 1/8 A and 7/8 B. How old is the rock
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Element A decays into element B with a half-life of 700 million years. You find a rock that you know...
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