Home » Physics » Mechanics » Question
  1. Ventilators are provided at the top of room
    1. to bring oxygen for breathing
    2. so that sunlight may enter the room
    3. to maintain conventional currents to keep the air fresh in the room
    4. to provide an outlet for carbon dioxide
Correct Option: C

to maintain conventional currents to keep the air fresh in the room



Your comments will be displayed only after manual approval.