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Why do tiny droplets in clouds not immediately become rain?

Answer and explanation

Correct answer: They are not heavy enough

Correct answer: A. Tiny cloud droplets have very little mass, so their downward settling speed is small. Air resistance, turbulence, and upward air currents can keep them suspended within the cloud. They usually need to grow by colliding and merging with other droplets, or through ice-related growth in cold clouds, until they become large and heavy enough to fall. B is false because cloud droplets are water, not stones. C is incorrect because the droplets are condensed water formed from water vapour. D has no connection with the mechanics of rainfall. Memory cue: small droplets float; larger, heavier droplets fall.

Related tags

Cloud-DropletsRain-FormationDroplet-SizeClouds And PrecipitationWater In The AtmosphereGeographyClass 12 Mcq

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