The measurement of radioactive parent atoms and stable decay products (daughter atoms) in a rock allow for which of the following to be determined:

a. The amount of time that has elapsed since the rock cooled from a magma
b. The amount of time that has elapsed since the rock formed from the compaction of sediment
c. The amount of time that has elapsed since the radioactive isotopes were synthesized in a supernova.
d. The amount of time that has elapsed since the stable daughter isotopes were synthesized in a supernova.


a. The amount of time that has elapsed since the rock cooled from a magma

Environmental & Atmospheric Sciences

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