Fission-track dating relies on the decay of __________..

Question

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Fission-track dating relies on the decay of uranium. During this process, charged particles are released which damage adjacent crystals in the material being analyzed, leaving linear trails of damage called fission tracks. By counting the fission tracks in a sample and measuring the amount of uranium present, scientists can calculate how long it has been since the material was last heated to a high enough temperature to reset the "fission clock."

Fission-Track Dating Relies on the Decay of __________