Question

Ventilators allow letting out:
a)The warm and stale air
b)The cold and odor air
c) The fresh air​

Answer 1

Answer:

option b

Explanation:

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Answer 2

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Ventilators allow letting out the warm and stale air

Explanation :

Ventilators are ins.talled on one of the top corners of the roof .Basically,the warm air flows from down to up.

When ventilator fans or windows are on or opened,the hot and warm air present on the upper side of the room gets out through the opening and thus,the air and the temperature gets cool down .