Presented by Noor Suziana Ismail
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Presented byNoor Suziana Ismail
Water is essential to life on earth.
Water Pollution
1. Industrial pollution2. Surface pollution3. Groundwater contamination4. Sewage pollution5.Oil pollution6.Thermal pollution
http://www.youtube.com/watch?v=pd8JBRNSH0k
http://www.youtube.com/watch?v=y1ObvXZDQNs
http://www.youtube.com/watch?v=F0XmPhWi7zA
http://www.youtube.com/watch?v=hActx4UzrvA
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