Home ยป Which of the following gas is more in percentage in the air? Air Pollution MCQs Which of the following gas is more in percentage in the air? December 29, 2021 10 Views Q. Which of the following gas is more in percentage in the air? Oxygen gasNitrogen gasWater vapourCarbon dioxide gas Answer: Nitrogen gas
Which one of the following pollutant (or) pairs of pollutants is formed due to photochemical reactions?
The particulate which is emitted by combustion of petroleum in automobiles and which affects hemoglobin formation is