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What sort of fossils have been found in Antarctica from about the time of Pangaea (250 MYA)?
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If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion
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What sort of fossils have been found in Antarctica from about the time of Pangaea (250 MYA)?...
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