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Question
Give reasons: Woollen clothes keep us warm in winters.
Give reasons: Woollen clothes keep us warm in winters.
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Solution
- In woolen cloths, the air is trapped between fine pores of woolen clothes which makes it a very good insulator.
- The trapped air prevents any loss of heat by the body.
Hence, woolen cloth keeps us warm in winters.
- In woolen cloths, the air is trapped between fine pores of woolen clothes which makes it a very good insulator.
- The trapped air prevents any loss of heat by the body.
Hence, woolen cloth keeps us warm in winters.
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