Which of the following group of gases cause photochemical smog?
Which of the following group of gases cause photochemical smog? Correct Answer O<sub>3</sub>, PAN and NO<sub>2</sub>
O3, PAN and NO2 cause photochemical smog.Which of the following group of gases cause photochemical smog? Correct Answer O<sub>3</sub>, PAN and NO<sub>2</sub>
O3, PAN and NO2 cause photochemical smog.