Question

...............is the most widely found pollutant in air:

• A. CFC
• B. CO
• C. CO2
• D. SO2

Answer 1

Answer:

B. CO

Major air pollutants include :

• carbon monoxide (CO)

• Ammonia (NH3)

• Nitric oxide (NO),

• Nitrogen dioxide (NO2)

• Ozone (O3)

• Particulate matter (PM)

• Sulphur dioxide (SO2)

• Volatile organic compounds (VOC)