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Geologists can use a radioactive isotope's to help determine the age of some rocks. A. half-life B. growth rate C. double-life D. all of these​

1 Answer

6 votes

Answer:

A) Half-life

Step-by-step explanation:

The Half-Life is the time taken for a specified isotope's radioactivity to fall to half its original value. Which depending on how radioactive the isotope is, determined its age between different half-lives.

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