Assertion (A): Woolen clothes keep the body warm in winter
Reason (R): Air is bad conductor of heat

Both A and R are true,

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Both A and R are false

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Both A and R are true, R is correct explanation of A

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Both A and R are true, R is not correct explanation of A

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Solution

The correct option is C Both A and R are true, R is correct explanation of A
Woollen clothes effectively separate the body from surrounding air by entrapping a layer of air.
Since both wool and air are bad conductors of heat on varying levels, it creates separation that keeps bodies warm.

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Assertion (A): Woolen clothes keep the body warm in winterReason (R): Air is bad conductor of heat

The correct option is C Both A and R are true, R is correct explanation of AWoollen clothes effectively separate the body from surrounding air by entrapping a layer of air.Since both wool and air are bad conductors of heat on varying levels, it creates separation that keeps bodies warm.

Assertion (A): Woolen clothes keep the body warm in winter
Reason (R): Air is bad conductor of heat

The correct option is C Both A and R are true, R is correct explanation of A
Woollen clothes effectively separate the body from surrounding air by entrapping a layer of air.
Since both wool and air are bad conductors of heat on varying levels, it creates separation that keeps bodies warm.