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You Want to Buy a House. Would You like to Buy a House Having Windows but No Ventilators? Explain Your Answer. - CBSE Class 7 - Science

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Question

You want to buy a house. Would you like to buy a house having windows but no ventilators? Explain your answer.

Solution 1

A house having windows but no ventilators should not be bought. This is because warm air is lighter than cold air and therefore, it goes up. This warm air can go outside the house mostly through ventilators. If there are no ventilators, then the warm air cannot go outside easily.

Solution 2

No, a house which has no ventilators is not a safe or healthy house to live in. The air circulation is not there in such a house. So, it has no fresh air. Because warm air rises up and goes out through ventilators and fresh air comes in through windows

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APPEARS IN

 NCERT Solution for Science Textbook for Class 7 (2018 to Current)
Chapter 8: Wind Storms and Cyclones
Q: 4 | Page no. 92
Solution You Want to Buy a House. Would You like to Buy a House Having Windows but No Ventilators? Explain Your Answer. Concept: Air Exerts Pressure.
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