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The atmospheric stability responsible for cloud formation during the water cycle is primarily controlled by what?

Answer and explanation

Correct answer: Temperature lapse rate

Correct answer: B, temperature lapse rate. The lapse rate describes how air temperature changes with height. When moist air rises, it expands and cools. Whether it continues rising depends on how the surrounding environmental temperature decreases compared with the temperature of the rising air. This comparison determines atmospheric stability and whether condensation and cloud growth are favored. A, pressure, changes with height and helps air expand, but the key control of stability is the temperature gradient. C is important for keeping the atmosphere and water on Earth, but it does not primarily determine cloud-forming stability. D absorbs ultraviolet radiation and is not the main control here. A useful caution is that the exact stability judgment compares environmental and adiabatic lapse rates; among the given choices, B is the best answer.

Related tags

Lapse-RateAtmospheric-StabilityCloud-FormationHydrological CycleThe Living WorldBiologyClass 11 Mcq

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