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Biology, 21.11.2019 21:31, MengXiong1
The precambrian eon is separated from the phanerozoic eon in the fossil record because of
the number of earthquakes occurring at that time.
the appearance and disappearance of volcanoes.
the creation of new ocean ridges.
the sudden appearance of organisms.
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Answers: 1
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Biology, 22.06.2019 09:50, heids17043
The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations
Answers: 2
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The precambrian eon is separated from the phanerozoic eon in the fossil record because of
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