I need help with both questions please
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Biology, 21.06.2019 16:30
An atom of nitrogen had seven protons in its nucleus. how many electrons does it have
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Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.
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If you relate the doppler effect on sound to the color of light waves, a police car would be the color as it approaches and the color as it recedes away from the observer.
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