__________ is a technique in which scientists calculate the age of a sample based on the amount of remaining radioactive isotopes it contains A. isotope dating B. retroactive dating C. radioactive dating D. index fossilization - Vocabulary | English Grammar Quiz

__________ is a technique in which scientists calculate the age of a sample based on the amount of remaining radioactive isotopes it contains

A. isotope dating

B. retroactive dating

C. radioactive dating

D. index fossilization

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