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In the global hydrological cycle, what is the rate of water molecules moving from one reservoir to another called?

Answer and explanation

Correct answer: Water flux

Correct answer: B, water flux. A reservoir is a storage component such as the ocean, atmosphere, soil, groundwater, ice, or living organisms. Water continuously moves between these reservoirs through evaporation, precipitation, infiltration, runoff, transpiration, and other transfers. The rate of such transfer is called a flux. In scientific use, flux often means the amount transferred per unit area per unit time, although the exact units depend on the context. Residence time is different: it describes how long water remains in a reservoir on average, not how fast it crosses a boundary. The other options are not standard names for hydrological transfer rates. Thus B gives the appropriate term. Memory cue: reservoir means where water is stored; flux means how fast it flows across a boundary.

Related tags

Water-FluxHydrological-CycleWater-ReservoirsHydrological CycleThe Living WorldBiologyClass 11 Mcq

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