What is an ideal fresh air amount needed by a man?

آدمی کو ایک تازہ تازہ ہوا کی مقدار کی کیا ضرورت ہے؟

100 cubic feet per every 20 minutes

100 cubic feet per every 05 minutes

100 cubic feet per every 20 seconds

None of these

An ideal fresh air amount needed by a man is approximately 100 cubic feet of air every 20 minutes for proper ventilation.

This helps ensure adequate oxygen supply and removes carbon dioxide from the environment.