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Biology, 22.06.2019 10:00
Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.
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Biology, 22.06.2019 15:30
Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?
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Explain weather car battery acid is a pure substance or a mixture...
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