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Which of the following occurs after a natural or unnatural disturbance in an ecosystem
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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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In what part of the body does the most muscle activity happen?
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A rule or principle that describes what happens in nature is a:...
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