How do we know with precision, how old a rock is?

Subject: How do we know with precision, how old a rock is?

Date: Wed Nov 18 13:13:51 1998
Posted by Alex Lyddane
Grade level: 7-9
School: Greenwich Academy
City: Greenwich State/Province: CT
Country: USA
Area of science: Earth Sciences
ID: 911416431.Es

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Re: How do we know with precision, how old a rock is?

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