What are four hazardous air pollutants? as title

Best Answer - Chosen by Voters

carbon monoxide, methane, sulphure dioxide and carbon dioxide 60% 3 Votes

Other Answers (3)

• smoke,
  cfc(chloroflurocarbon),methane ,carbon monoxide,nitrogendioxide,SO2. 0% 0 Votes
• Many like NOx, O3, CO, and dust-particulate 20% 1 Vote
• Sulfur Dioxide, Nitric Acid, Hexane, Hydrogen Fluoride, etc imo - experience 20% 1 Vote