The fleece traps to prevent heat loss.

air

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water

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dust

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sunlight

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Solution

The correct option is A air
Air is a bad conductor of heat, so the air trapped in fleece does not allow the body heat to pass through.

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Similar questions

Assertion:- Woolen clothes are preferred to be worn in winters.

Reason:- Air is trapped inside the woolen fibres which prevents the heat loss from human body.

______________is the phenomenon in which earth's atmosphere traps the heat from the sun and prevents it from escaping into outer space.

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