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Why do all clouds not produce rainfall?

Answer and explanation

Correct answer: Because droplets in some clouds are not large enough to fall

Correct answer: B, because cloud droplets must grow sufficiently large before gravity can make them fall as rain. A cloud contains many very small water droplets or ice crystals suspended by rising air and air resistance. Droplets may grow through collision and coalescence, or ice-crystal growth in a cold cloud. If they remain too small, they stay suspended, evaporate, or change into vapour before reaching the ground. A is wrong because clouds do contain condensed water or ice. C is wrong because clouds are not rocks. D is wrong because rainfall develops from cloud water or ice, although a cloud alone does not guarantee rain. The important distinction is: visible cloud means condensation has occurred; rainfall means particles have grown enough to fall. Memory cue: “cloud present” does not automatically mean “rain falling.”

Related tags

CloudsRainfallDroplet GrowthPrecipitationClouds And PrecipitationWater In The AtmosphereGeographyClass 12 Mcq

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