Ventilator are situatted close to seiling not to floor
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Answer:
Explanation:
n the room when air is hot its density decrease and rises up. So ventilators help to remove out hot air from the room and make its temperature same. So,ventilators are made close to the ceiling
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Answer:so that the hot air will exit the room in question.
Explanation:cold air is less dense as compared to hot air.That is,hot air will rise up while cold air exist down itself
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