pollution

India
October 29, 2006 6:53am CST
There are many substances in air which pollute the enviroment. the primary are 1 oxides of sulfer 2 organic compounds 3 particulate matter 4metal oxides 5 toxic substances
1 response
Sorathian
@Sorathian (4329)
• Pakistan
29 Oct 06
This Discussion Makes Me Feel Like I M Sitting In The Classroom :D