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What is the scientific sequence behind saline surface formation in Rann of Kachchh?

Answer and explanation

Correct answer: Seasonal waterlogging then evaporation then salt deposition

The direct answer is A: seasonal waterlogging, then evaporation, then salt deposition. The Rann of Kachchh is a low, flat region that may receive water during the rainy season from rainfall, nearby drainage, or tidal influence. This produces temporary waterlogging and dissolves salts present in the soil and water. In the hot and dry season, strong heat causes the water to evaporate. Salt does not evaporate with the water, so it is left behind and crystallises as a white saline crust on the surface. Thus the correct sequence is water accumulation, evaporation, and salt deposition. Option A follows this complete scientific chain. Option B is wrong because lava, glaciers, and floods do not describe the normal formation of the Rann's saline surface. Option C is wrong because coral growth, mountain folding, and snowfall are unrelated processes. Option D is wrong because sand erosion, Khadar formation, and a doab describe different fluvial or alluvial ideas, not salt-crust formation. Exam cue: when water disappears by evaporation but dissolved salt remains, think of a saline plain such as the Rann.

Related tags

Rann-Of-KachchhSalt-FlatEvaporation

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