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How does water vapour reach the atmosphere?

Answer and explanation

Correct answer: Through evaporation and transpiration

Direct answer: A, through evaporation and transpiration. Solar heating changes liquid water from oceans, rivers, lakes, soil, and other wet surfaces into water vapour; this process is evaporation. Plants also release water vapour through tiny openings in their leaves, a process called transpiration. Together, these processes supply much of the atmospheric moisture and form important steps in the water cycle. Option B is wrong because earthquakes are crustal movements, not the main source of atmospheric vapour. Option C is wrong because glaciers can lose water by melting or sublimation, but they are not the only source. Option D is wrong because volcanic activity is not the main general pathway. Option A is correct because it includes the two major processes emphasized here. Memory cue: open water evaporates; plants transpire.

Related tags

EvaporationTranspirationWater VapourWater CycleHumidityAnd CondensationHumidity Evaporation And CondensationWater In The AtmosphereGeography

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