What is wastewater? What should we do to wastewater?

Discussion in 'CBSE Class 7 Science Help' started by g mahesh, Nov 11, 2013.

  1. g mahesh

    g mahesh Member

    Rich in lather, mixed with oil, black brown water that goes down the drains from sinks, showers, toilets, laundries is dirty. It is called waste water. This used water should not be wasted. We must clean it up by removing pollutants.

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