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In which condition does the chance of cyclonic rainfall increase?

Answer and explanation

Correct answer: Winds converge in a low-pressure area

Correct answer: A. A low-pressure system draws surrounding air inward, causing convergence near the surface. The converging air has to rise, and rising air expands and cools. If it contains enough moisture, cooling can lead to condensation, cloud development, and precipitation. This is the basic connection between low pressure, convergence, uplift, and cyclonic rainfall. B is wrong because completely dry, stable air suppresses cloud formation. C describes descending air, which generally warms and discourages condensation; mountains are not required for cyclonic rainfall. D removes the moisture needed for precipitation. Memory cue: low pressure gathers air and makes it rise; moist rising air can produce rain.

Related tags

Cyclonic-RainfallConvergenceLow-PressureClouds And PrecipitationWater In The AtmosphereGeographyClass 12 Mcq

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