Waterpollution442
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Waterpollution442 (Talk | contribs)
(Created page with 'Water pollution is altering the physical, chemical and biological characteristics of water, caused directly or indirectly, in natural or anthropogenic. Improper use of polluted w…')
(Created page with 'Water pollution is altering the physical, chemical and biological characteristics of water, caused directly or indirectly, in natural or anthropogenic. Improper use of polluted w…')
