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Why is cool, moist air important in fog formation?

Answer and explanation

Correct answer: Because it can condense into tiny water droplets (क्योंकि यह सूक्ष्म जल-बूंदों में संघनित हो सकती है)

Correct answer: A. Fog is a collection of very small water droplets suspended close to the ground. First, the air must contain enough water vapour, so it needs to be moist. Next, cooling lowers the air temperature toward its dew point, the temperature at which the air becomes saturated. When saturation is reached, some water vapour condenses around tiny particles in the air and forms microscopic droplets. These droplets scatter light and reduce visibility, producing fog. Moist air does not destroy water vapour; it contains more of it. Cool air does not stop the Earth, and fog formation has no necessary connection with sand. Memory cue: fog needs moisture plus cooling, not dryness or heat.

Related tags

FogMoistureCondensationVisibilityForms Of Condensation: DewFrostAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereGeography

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