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OpenStudy (heathero):
What time period lasted for more than half of the hypothesized history of the Earth? a. Carboniferous c. Paleozoic b. Cretaceous d. Precambrian
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OpenStudy (heathero):
@Beast-Mode
OpenStudy (anonymous):
sup @HeatherO
OpenStudy (heathero):
can u answer this question
OpenStudy (anonymous):
c. Paleozoic
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