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प्रश्न
Why do we wear woolen clothes in winter?
थोडक्यात उत्तर
उत्तर
- The fibers of wool have the property of trapping air in between them.
- In trapping the air, woolen clothes do not allow the heat to flow away from the body, which would then become cold.
- Besides, wool is a poor conductor of heat. So this property further prevents heat from leaving the body.
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