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Why do droplets in fog and mist generally not fall to the ground?

Answer and explanation

Correct answer: They are very tiny and remain suspended in air

Answer: A. Fog and mist contain extremely small water droplets suspended in the air near the ground. Their small size means that air resistance is important compared with their weight, so they can remain floating or slowly moving with air currents instead of quickly reaching the ground. They may eventually combine into larger droplets and fall as drizzle, but individual tiny droplets generally stay suspended. B is wrong because the droplets are liquid water, not stone. C is wrong because gravity still acts on them; their small size and air resistance do not cancel gravity. D is wrong because fog and mist occur over land as well as near water. Memory cue: tiny droplets plus air resistance means suspension; larger droplets can fall.

Related tags

FogMistSuspended DropletsAir ResistanceForms Of Condensation: DewFrostAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereGeography

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