Question

Sully works as a geologist in the southwestern United States. He plans to choose an unstable isotope to find the absolute age of a rock sample. Which two aspects must he consider before making his choice?

Answer 1

Answer:

There should be a sufficient amount of the selected isotope in the rock. The isotope should be one that decays at a very fast rate. 2 The isotope must not be found in any neighboring rocks.

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