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Quilts are filled with fluffy cotton. Air is trapped in the fine pores of cotton. Cotton and air are the insulators of heat. They check heat from our body to escape and thus keep us warm.
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Quilts are filled with fluffy cotton because air is trapped in the fine pores of cotton . Cotton and air are insulators of heat. They check heat from our body to escape and thus keep us warm.
Cotton is hollow so it traps air, air provide resistance for transfer of heat
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