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Why is evapotranspiration considered different from evaporation alone?

Answer and explanation

Correct answer: Because it also includes moisture release from plants

Answer: A. Evaporation is the physical change in which liquid water from soil, rivers, lakes, or other wet surfaces changes into water vapour. Transpiration is the release of water vapour from plants, mainly through tiny openings in their leaves. Evapotranspiration combines these two processes: evaporation from surfaces and transpiration from vegetation. A is correct because it includes the plant contribution as well as ordinary surface evaporation. B is wrong because both component processes add water vapour to the atmosphere. C is wrong because evapotranspiration occurs wherever water surfaces, soil, and vegetation release moisture, not only near glaciers. D is wrong because rainfall is water falling from the atmosphere, whereas evapotranspiration transfers water into the atmosphere. Memory cue: evapotranspiration = evaporation + transpiration.

Related tags

EvapotranspirationVegetationMoistureHumidityEvaporationAnd CondensationHumidity Evaporation And CondensationWater In The AtmosphereGeographyClass 12 Mcq

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