Tuesday

July 29, 2014

July 29, 2014

Posted by **CJ** on Tuesday, November 12, 2013 at 7:56pm.

Please and thank you!

- Physical Science -
**DrBob222**, Tuesday, November 12, 2013 at 8:14pmRadioactive dating is limited by the half life of the element being used. C-14, with a half life of about 6,000 years, is not a good dating element for several hundred thousand years. With half of the material disappearing every 6,000 years or so there isn't enough to count after say 50,000 years.

- Physical Science -
**Anonymous**, Friday, November 15, 2013 at 2:01pmidk

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