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1 point 16. Wearing two thin sweatersduring winter keeps us warmerthan wearing just one thicksweater, because *a) Air trapped between the layers ofO two sweaters is a bad conductor ofheat.Ob) Friction between the layers ofsweaters produces heatO c) Sweater is a conductor of heatOd) Sweater is at higher temperaturethan the temperature of thesurrounding​

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