radioactive dating of fossils and rocks is possible because radioactive isotopes: regents

You find a rock sample with radioactive atoms present. Worksheet Save Share Copy and Edit. Rock Layer B. If the half-life of a radioactive group of atoms is years, then how old is the rock if there have been ten half-lives? Alleghenian orogeny. The radiocarbon date records the time since the organism died and was buried by sediments that make up the rock. If the half-life of carbon is 5, years, how old is a bone that has

RADIOACTIVE DATING OF FOSSILS AND ROCKS IS POSSIBLE BECAUSE RADIOACTIVE ISOTOPES: REGENTS / janiceclark.net

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