1.

In colder croutries the walls and windows are made of _________​

Answer»

Explanation:

Due to cold climatic conditions,the doors and windows are usually made of IG because glass is an INSULATOR in room TEMPERATURE and HENCE it does not ALLOW even the little HEAT present inside the room to move out and also does not allow the outer cold to get in keeping the inner rooms of the house comparatively warmer.



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