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What is the amount of water vapour present in the atmosphere called?

Answer and explanation

Correct answer: Humidity

Direct answer: A, humidity. Humidity describes the amount of water vapour in the air. It may be expressed in different ways, such as absolute humidity or relative humidity, but at this level the key idea is that humidity measures atmospheric moisture. Temperature tells how hot or cold the air is. Rainfall is liquid or solid water that falls from the atmosphere to the surface. Pressure is the force exerted by the weight of air. Option A is therefore correct. Option B is wrong because temperature and humidity are separate properties, even though temperature affects how much vapour air can hold. Option C is wrong because rainfall is precipitation, not the amount of invisible vapour already present. Option D is wrong because pressure describes air force, not moisture content. Memory cue: humidity = moisture in the air.

Related tags

HumidityWater VapourAtmospheric MoistureGeographyEvaporationAnd CondensationHumidity Evaporation And CondensationWater In The AtmosphereClass 12 Mcq

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