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The continuity of the hydrological cycle is essential for maintaining what on Earth?

Answer and explanation

Correct answer: Life and ecosystem balance

Correct answer: B. The continuous water cycle redistributes water through evaporation, condensation, precipitation, infiltration, runoff and biological processes. This movement supplies freshwater to soils, rivers, lakes, groundwater and organisms, while also supporting plant growth, agriculture and habitats. Ecosystems depend on suitable water availability, and changes in the cycle can cause droughts, floods or ecological stress. A is wrong because mountain height is not maintained by the continuity of the water cycle. C is unrelated to the movement of water through the environment. D is far too narrow and ocean colour is not the essential outcome of the cycle. The phrase “only natural source of freshwater” should be used carefully: the cycle continually renews and distributes freshwater, rather than creating water from nothing. Memory cue: continuous cycling keeps water available for life and ecosystems.

Related tags

Hydrological-CycleLifeEcosystem-BalanceFreshwaterHydrological CycleWater (Oceans)Water OceansGeography

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