Chemistry, 07.10.2020 14:01, sarahc63

To calculate the relative age of rocks, geologists use the rate of radioactive decay of isotopes present in their samples. What is the term used for the original amount of the elemental isotopes being investigated?
A rare earth isotopes
B. Son isotopes
C. daughter isotopes
D. parent isotopes

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To calculate the relative age of rocks, geologists use the rate of radioactive decay of isotopes pre...