WATER AND WATER POLLUTION

Natural Resources - Rain|Air Pollution|Water: A Wonder Liquid|Water Pollution|Summary

Assertion: Water pollutants are measured by BOD. Reason: If BOD is more, the water is polluted.

Water|Why Water Is Important ??|Availability Of Water|Water Pollution And Causes

Water Pollution || Sources of Water Pollution || Entrophication || iological magnification

Which of the following will have the minimum "BOD (A) Sea water (B) Potable water (Drinking water) (C) Polluted water (D) Sewage

Noise Pollution || Water Pollution || Introduction Sources || BOD & DO Relationship || Water Pollutants

Water pollution || Soil