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OpenStudy (anonymous):

Describe the concept of using radioactive elements to establish an age for a fossil. Be sure to include how the parent and daughter elements are used in the determination of age?

OpenStudy (ujjwal):

\[t=(T _{1/2}/0.693) \ln(R _{0}/R)\] wtere T1/2 is half life R0 is initial activity R is activity at time t

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