Q. Plants are removed from patients room at night because (Solved)
1. they produce CO2 at night in more concentration
2. they produce CO2 all the time but release O2 also in day time
3. they consume O2 at night.
4. they do not photosynthesize at night, therefore fail to deplete CO2 of the room, hence their presence will increase CO2
- b. they produce CO2 all the time but release O2 also in day time