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OpenStudy (anonymous):
PLZ HELP MEDAL WILL BE GIVEN What is a molecular clock? A)a tool scientists use to date fossils B)a tool scientists use to determine how many mutations a species accumulates over time C)a tool scientists use to determine how long two species have been evolving independently D)a tool scientists use to determine how long it takes to sequence a strand of DNA
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OpenStudy (carniel):
Most likly its C because it tells the past of thing of two species
OpenStudy (anonymous):
are yu shure?
OpenStudy (carniel):
Yes
OpenStudy (anonymous):
lol are yu sure?
OpenStudy (anonymous):
wat yu think it is?
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