claireweberding claireweberding

19-01-2024
Biology

contestada

Dr. Alisha Brown is using radioactive half life to determine the age of fossils that she recently collected on an expedition. Let's pretend the half-life for Element X is 5 million years. At the layer in which she found the fossil, only 1/16 of Element X is composed of the surviving "parent" isotopes

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