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19-01-2017
Biology

contestada

the ratio of uranium-238 to lead-206 in a rock sample can be used to determine the samples
A. Absolute Age
B. Relative Age
C. Radioactivity
D. Mass

Respuesta :

Аноним Аноним

19-01-2017

C. Radioactivity
is the answer
and Uranium is an element that produces radioactivity

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