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What effect can an increase in condensation nuclei in clouds have?

Answer and explanation

Correct answer: The number of droplets may increase

Correct answer: A, the number of droplets may increase. Condensation nuclei are tiny particles, such as dust, salt, or other aerosols, on whose surfaces water vapour can condense. When suitable moisture and temperature conditions exist, more available nuclei can provide more surfaces for separate small droplets to begin forming. Therefore, the number of cloud droplets may increase. Option A is correct, but it does not mean that every increase automatically produces heavy rain; droplet growth and other atmospheric conditions also matter. B is wrong because nuclei help water vapour condense rather than make all moisture disappear. C is wrong because air does not become rock. D is wrong because nuclei do not make precipitation impossible; they can participate in cloud and precipitation formation. Memory cue: nuclei are “starting surfaces” for droplets.

Related tags

Condensation NucleiDropletsCloud MicrophysicsCondensationClouds And PrecipitationWater In The AtmosphereGeographyClass 12 Mcq

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