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What becomes more likely if more water vapour is added to saturated air?

Answer and explanation

Correct answer: Condensation

Direct answer: B, condensation. Saturated air already contains the maximum water vapour it can hold at its present temperature and pressure. If additional vapour is supplied, the air cannot retain all of it as an invisible gas. The extra vapour therefore changes into tiny liquid droplets or ice particles; this change is condensation. Cooling the air can produce the same result because cooler air has a lower capacity to hold water vapour. These droplets may appear as dew, fog, cloud or, under suitable conditions, contribute to precipitation. A is incorrect because soil erosion is mainly associated with moving water, wind, ice and human activity, not the immediate addition of vapour to saturated air. C and D are unrelated physical processes. Memory cue: saturated means ‘full’; extra vapour must condense, especially if cooling occurs.

Related tags

GeographySaturated AirCondensationHumidityEvaporationAnd CondensationHumidity Evaporation And CondensationWater In The AtmosphereClass 12 Mcq

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