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When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis
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Some plants have reproductive structures that them reproduce using natural forces or animals. how does the reproductive structure shown here ensure the reproductive success of plants?
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Biology, 22.06.2019 21:00
The type of fossil where the name literally means "turning to stone".
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Which type of molecule that can be found in living things lacks carbon atoms?...
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