Why is it not healthy to breath in a closed room for a very long time? – InterviewSolution

1.	Why is it not healthy to breath in a closed room for a very long time?
Answer» In a closed room, there is no provision of fresh air coming into the room. The oxygen already present in the air of that room shall be gradually consumed. If more number of people are sitting in a room the percentage of oxygen will go on decreasing and the percentage of carbon dioxide would go on increasing. Thus it is not a healthy sign to breath in a closed room for a very long time.

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