January 6, 2007 7:49am CST
as we all know that pollution can be of many types mainly three of them are-: 1.air pollution 2.water pollution 3.chemical pollution
1 response
@smbilalshah (1316)
• Pakistan
6 Jan 07
well u forgot one that is noise pollution pardon me for saying this ppl but it includes heavy metal hahaha lol!