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Why does cloud formation become more likely in rising air?

Answer and explanation

Correct answer: Air expands and cools

Correct answer: A, air expands and cools. Air pressure generally decreases with height. When a parcel of moist air rises into lower pressure, it expands. Expansion uses energy and causes the air to cool. If the cooling continues until the air reaches saturation, water vapour condenses into cloud droplets or ice crystals. This is why rising air commonly supports cloud formation, especially when enough moisture is present. B is incorrect because air does not change into soil. C is incorrect because rising does not automatically remove moisture; moisture may condense, but it is not simply destroyed. D is incorrect because air can rise over land or sea and does not necessarily enter the sea. Memory cue: rising air expands, expanding air cools, and cooling moist air can form clouds.

Related tags

Rising AirAdiabatic CoolingCloud FormationCondensationClouds And PrecipitationWater In The AtmosphereGeographyClass 12 Mcq

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