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Biology 20 Online
OpenStudy (anonymous):

Can you see if i am correct? MEDALS!!! Scientists were able to determine the age of the earth from rock samples that were analyzed. What technique was used to do this? A.extinction<----My answer B.radiometric dating C.fossil records D.geologic time scale Am i correct?

OpenStudy (somy):

check out definitions of each

OpenStudy (anonymous):

i already turned it in. I waited 10 minutes and no one answered. @Somy but thanks anyway

OpenStudy (somy):

owh sorry :/

OpenStudy (anonymous):

it was B.

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