Question -
Answer -
Harmfuleffects of photochemical smog:
┬╖┬а┬а┬а┬а┬а┬а┬а┬аTheirтАЩhigh concentration causesheadache, chest pain and dryness of the throat.
┬╖┬а┬а┬а┬а┬а┬а┬а┬аOzone and PAN act as powerful eyeirritants.
┬╖┬а┬а┬а┬а┬а┬а┬а┬аPhotochemical smog leads to crackingof rubber and extensive damage to plant life.
┬╖┬а┬а┬а┬а┬а┬а┬а┬аIt causes corrosion of metals,stones, building materials, and painted surface etc.
Control:
┬╖┬а┬а┬а┬а┬а┬а┬а┬аUse of catalytic converter inautomobiles prevents the release of nitrogen dioxide and hydrocarbons to theatmosphere.
┬╖┬а┬а┬а┬а┬а┬а┬а┬аPinus, juniparus, quercus, pyrusetc. can metabolise nitrogen dioxide thus their plantation could help to someextent.