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It is warmer to have two thin blankets than to have single thick blanket because:
Thick blankets cannot give more warmth
Two blankets allow more heat to pass through them
Air between the two blankets is a good conductor of heat
Air between the thin blankets does not allow heat to pass through it since it is a bad conductor

A

Air between the two blankets is a good conductor of heat

B

Air between the thin blankets does not allow heat to pass through it since it is a bad conductor

C

Thick blankets cannot give more warmth

D

Two blankets allow more heat to pass through them

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Solution

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The correct option is D Air between the thin blankets does not allow heat to pass through it since it is a bad conductor
Air trapped between two thin blankets does not allow heat to pass through it, as air is a bad conductor of heat. Hence, it is warmer to have two thin blankets than to have a single thick blanket.

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