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Biology 8 Online
OpenStudy (anonymous):

YOU WILL GET MEDAL!!! To compare the ages of rock layers to each other, scientists can use an easily identifiable and widely distributed fossil called A. a carbon fossil B. a sedimentary fossil C. an index fossil D. a radioactive fossil

OpenStudy (anonymous):

@Missiey

OpenStudy (anonymous):

@MrNood @misty1212 @kaleigh123

OpenStudy (anonymous):

c

OpenStudy (anonymous):

OMG Thank You so much!

OpenStudy (anonymous):

ur welcome

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