Question -
Answer -
Tropospheric pollution occurs due tothe presence of undesirable substance in air. These may be the solid or gaseouspollutants.
· GaseousAir Pollutants: These are oxides of sulphur,nitrogen and carbon, hydrogen sulphide, hydrocarbons, ozone and other oxidants.
· ParticulatePollutants: These are dust, mist, fumes,and smog etc.