# 8th Grade Earth Science Help?

Which of the following terms refers to the time it takes for one-half of the radioactive atoms in a sample of a radioactive element to decay?

- relative age

- absolute age

- potassium-argon data

- half-life**

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3. 👁 423

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3. no problem. As you can see, a little effort on your part will often provide the answer.

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posted by Steve

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posted by Grace
5. qehdi

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