Which is more important for water pollution-

Less proportion of BOD in water is proportional to...? (A) Proportion of water pollution is more (B) Proportion of water pollution is less (C) Quantity of organic substances is more (D) Water is not considered potable

Which is not a bioidicator of water pollution

Which is not a bioidicator of water pollution

Which of the following is the main factor of water pollution?

Name the three important water pollutants.

List five important sources responsible for water pollution.

List at least five important sources responsible for water pollution.