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**

Is my answer correct?

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  1. Please help!? I only have ten minutes until I leave and this is worth a lot of my grade.

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  2. Well, I got the answer right. Thanks for your help.

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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
  4. What was the answer?

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    posted by Grace
  5. qehdi

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