Why are isotopes with short half-lives not useful for dating very old rocks?
-because not enough of the parent isotope remains to measure accurately
-because not enough of the daughter product has formed to be detectable
-because neither the parent isotope nor the daughter product will be detectable
-because very old rocks would never have contained these isotopes
Answers: 3
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Why are isotopes with short half-lives not useful for dating very old rocks?
-because not enough o...
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