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  1. Mud houses are cooler in summers and warmer in winters as compared to brick houses because
    1. mud is a good conductor
    2. mud is a bad conductor
    3. mud is a poor insulator
    4. evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters
Correct Option: B

The houses made of mud and thatched roofs are cool in summer and warm in winter as the thatched roof contains large amount of trapped air and also mud is a bad conductor of heat. In summer, the outside heat cannot enter the house and in winter, inside heat cannot flow outside.



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