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Why are some isotopes used as tracers?

A. They leave visible trails.
B. They bind with all molecules.
C. They decay at a predictable rate.
D. They are uniquely identifiable like fingerprints.

Respuesta :

Answer is C.

They decay at a predictable rate. IE carbon 14 decay to carbon 12 to understand how long ago something was alive.wer:

Explanation:

Answer:

the correct answer is D. They are uniquely identifiable like fingerprints.

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