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Biology, 08.07.2019 15:00 59279

Which situation is in equilibrium a. the percentage of nitrogen gas in a room decreases steadily b. a blade of grass grows taller c. the amount of water in a cup decreases as it evaporates d. the amount of air in a room never changes

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Which situation is in equilibrium a. the percentage of nitrogen gas in a room decreases steadily b....
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