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What is the main importance of the water cycle for the biosphere?

Answer and explanation

Correct answer: It helps maintain freshwater availability for living organisms

Correct answer: A. The biosphere includes living organisms and the regions where life exists. The water cycle continuously moves water among oceans, atmosphere, land, groundwater, rivers, lakes, ice, plants, and organisms. Evaporation, condensation, precipitation, runoff, infiltration, and transpiration help redistribute and renew freshwater supplies needed for drinking, photosynthesis, metabolism, growth, and habitats. The cycle does not make every water source pure or guarantee equal freshwater in every place, but it is essential for maintaining and replenishing usable freshwater. B is not its main purpose; temperature is influenced by many processes. C describes Earth’s rotation, not the water cycle. D weathering and erosion can involve water, but destroying rocks is not the cycle’s primary importance. Memory cue: the water cycle continually circulates and renews water needed by life.

Related tags

BiosphereWater CycleFreshwaterImportanceHydrological CycleThe Living WorldBiologyClass 11 Mcq

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