pollution and its impact on the environment
DESCRIPTION
Pollution and its impact on the environment. A historical look back. References. http://explorepahistory.com/story.php?storyId=1-9-E&chapter=2 http://explorepahistory.com/displayimage.php?imgId=1-2-1CE4 http :// www.abovetopsecret.com/forum/thread876764/pg5 - PowerPoint PPT PresentationTRANSCRIPT
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POLLUTION AND ITS IMPACT ON THE ENVIRONMENT
A historical look back
![Page 7: Pollution and its impact on the environment](https://reader034.vdocument.in/reader034/viewer/2022050809/56815b4b550346895dc92dd8/html5/thumbnails/7.jpg)
REFERENCES
1. http://explorepahistory.com/story.php?storyId=1-9-E&chapter=2
2. http://explorepahistory.com/displayimage.php?imgId=1-2-1CE4
3.http://www.abovetopsecret.com/forum/thread876764/pg5
4.http://ens-newswire.com/ens/oct2000/2000-10-22g.asp
5.http://pubs.usgs.gov/fs/2005/3014/