Question

what is water pollution. write a note on any four major sources of water pollution​

Answer 1

⠀⠀ ⠀ ⠀⠀ $\huge{\tt{\red{❥}\green{A}\purple{N}\pink{S}\blue{W}\orange{E}\red{R}}}$Industrialization, discharge of domestic waste, radioactive waste, population growth, excessive use of pesticides, fertilizers and leakage from water tanks are major sources of water pollution.

Answer 2

Answer:

Water pollution is the contamination of water with number of chemicals, sewage waste and other harmful substances.

4 major sources of water pollution are-

(i) Industries- Industries release non- treated waste in water bodies, causing threat to living forms in that water body.

(ii) Accidental oil leakage- This happens when the ships carrying oil gets leaked and the oil spills in the ocean or sea.

(iii) Marine dumping- People discharge the waste produced near them in the water bodies, it also causes water pollution.

(iv) Agricultural production- The fertilizers and pesticides used in agricultural activities run off with the water in water bodies, causing water pollution.