hayleekern hayleekern

05-02-2015
Geography

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what are two radioactive isotopes that are useful for dating old rocks

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lrathburn lrathburn

05-02-2015

Parent and daughter isotopes are the two radioactive isotopes that are useful for dating old rocks.

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andres2003 andres2003

05-02-2015

The Parent and the Daughter are two radioactive isotopes that are useful for dating old rocks.

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