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Geography, 09.03.2020 00:05 DisneyGirl11

He measures the amount of radioactive uranium in the sample and compares it to the amount of radioactive lead. He then compares these amounts to the rate at which these two radioactive materials decay.

What is Rex most likely trying to figure out about the rock formation?
A.
its mass
B.
its density
C.
its age
D.
its volume
PLEASEEE HELP YOU GET 12 POINT

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He measures the amount of radioactive uranium in the sample and compares it to the amount of radioac...

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