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Class 7Water— NCERT Geography, Chapter 5. Water keeps moving: the sun's heat evaporates it, the vapour condenses into clouds, and it falls as rain, snow or sleet — the water cycle, which circulates the same…
Class 11Water in the Atmosphere— NCERT Geography, Chapter 10. Water vapour makes up 0–4% of the air by volume. It comes from evaporation and transpiration and returns as precipitation — a continuous exchange between oceans, air…
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