List five major water pollutants giving their sources.
Answers
Water pollution is caused due to several human activities. The five major water pollutants with their sources are as follows:
1. Radioactive substances: Due to the mining, like uranium contained minerals water gets polluted.
2. Pesticides: To kill the fungi, insects and weeds in the farm chemicals are used. These get mixed with the water and pollutes.
3. Heat: In industries, water is used for cooling the reactors.
4. Organic waste: Animal excreta, domestic sewage, discharge from food factories etc pollutes the water during the run off.
5. Chemical pollutants: The chemicals like cadmium, nickel, magnesium are water soluble but can damage the kidneys, liver and central nervous system.
Answer:
This section gives information about the most significant sources of water pollution.
Sewage (Waste Water) Sewage is another name for waste water from domestic and industrial processes. ...
Agricultural Pollution. ...
Oil Pollution. ...
Radioactive Substances. ...
River dumping. ...
Marine Dumping.