Assignment On Water Pollution Pdf. Page 1 environmental pollution written by. Pollution of water of natural origin can be caused by decomposition of organic debris saltwater invading coastal aquifers water blackening due to landslides earthquakes dust erupted from volcanoes.
Environmental pollution is a multi disciplinary science involving chemistry physics life science agriculture medical science public health sanitary engineering etc. View assignment on water pollution pdf from che 6505 at bangladesh university of eng and tech. We can classify pollution by its physical nature source and the sectors which are poorly effected.
Water pollution water pollution may be defined as alteration in the physical chemical and biological characteristics of water which may cause harmful effects on human and aquatic life report 1965 restoring the quality of our environment president science committee washington usa olaniran 1995 defined water pollution to be presence of.
Over two thirds of earth s surface is covered by water. Effects of water pollution water pollution has a duel effect on nature. In broader sense it is the study of the sources reactions transport effect and fate of chemical species in the air water and soil and the effect of human activity upon these. Petroleum products such as oil and gasoline enter the water from ships and marine terminals offshore oil rigs runoff from parking lots factories oil dumping and other sources.
