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When air becomes saturated, what may happen if it cools further?

Answer and explanation

Correct answer: Condensation

Correct answer: A, condensation. Saturated air is holding as much water vapour as it can at its current temperature. If it cools further, its capacity to hold vapour decreases. The excess vapour then changes into tiny liquid water droplets, usually on particles suspended in the air or on a cool surface. This gas-to-liquid change is called condensation and can help produce cloud droplets, fog, or dew. A is correct because it describes the immediate atmospheric process. B is wrong because desertification is long-term land degradation, not a direct result of cooling saturated air. C is wrong because an earthquake is caused by movement within the Earth, not condensation. D is wrong because weathering is the breakdown of rocks and is not the phase change described. Memory cue: saturated plus cooling leads to condensation.

Related tags

SaturationCoolingCondensationCloud FormationHumidityEvaporationAnd CondensationHumidity Evaporation And CondensationWater In The Atmosphere

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