Questions › Category: Civil Engineering › Which is the major air pollutant present in photochemical smog? 0 Vote Up Vote Down VideRime Staff asked 5 years ago Which is the major air pollutant present in photochemical smog? a) PAN b) NOx c) HC d) NO2 Environmental Engineering Part 3 Share this Now with Friends: Share on WhatsApp (Opens in new window) WhatsApp Share on Telegram (Opens in new window) Telegram More Related