alleryStart learning →Why does wool cloth keep the body warm in winter?
AIt is made of dense, hollow tubes
BIt produces heat on its own
CIt reflects all body moisture
DIt holds air in its bulky crimped fibres
Answer & Solution
Correct answer: D. It holds air in its bulky crimped fibres
Because of crimp, wool fabric is bulky and holds air, and trapped air is a poor conductor so it retains heat.
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