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July 4, 2015

Homework Help: 8th Grade Earth Science Help?

Posted by Rainshine on Tuesday, January 14, 2014 at 7:05pm.

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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