how does water get polluted? case study
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Water pollution is a national and global issue. ... The study identified dumping of waste as one of the most important causes of water pollution; untreated sewage as the second most important cause of water pollution and industrial discharge as the third most important cause of water pollution.
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Water pollution is a national and global issue. ... The study identified dumping of waste as one of the most important causes of water pollution; untreated sewage as the second most important cause of water pollution and industrial discharge as the third most important cause of water pollution.
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