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What element does susan b. anthony include in this passage to strengthen her argument?
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Aplant may open end close its stomata to prevent excess water loss and maintain
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During convection, less dense fluid rises and denser fluid sinks.
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Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
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Proteins that are secreted from a eukaryotic cell must first travel through the endomembrane system....
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