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प्रश्न
Why does weather become pleasant when it starts freezing in cold countries?
टीपा लिहा
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उत्तर
Ice has the highest sp. latent heat of fusion of 336,000 jkg-1. Thus, every 1 kg of water at 0°C, on freezing releases 336,000 J of heat energy. As enormous amount of heat energy is released in atmosphere, therefore weather becomes pleasant.
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