what is pollution????

Asked by mehta stuti 13 years ago 7/30/2012 3:33 PM

Last updated by Cat 4 years ago 3/27/2021 3:47 AM

Answered by Cat 4 years ago 3/27/2021 3:47 AM

Pollution: the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects.