Which of the following best describes the impact of glaciers upon the surface of the earth? a. ice buried continents under a few hundred feet of ice. b. glaciers scraped across the surface and altered landscapes and the course of rivers. c. the passage of glaciers created new ecosystems. d. all of the above.
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Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.
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Which of the following best describes the impact of glaciers upon the surface of the earth? a. ice...
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