ph35
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14<br />
C<br />
• Radioactive 14 C acts chemically just like<br />
12<br />
C, so it becomes incorporated into plants<br />
an animals.<br />
• When the animal/plant dies the 14 C begins<br />
to decay into 14 N at a know rate, so we<br />
can determine how long ago the organism<br />
died.<br />
• This is called Carbon Dating.<br />
• It’s only good for about 50,000 years.
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