GEOLOGY

Detailed explanation-1: -Water Pollution-Introduction of chemical, physical, or biological agents into water that decrease its quality and the ability of organisms to survive. Industry and human population growth are the main causes. To prevent it, people must understand what causes it.

Detailed explanation-2: -Water pollution – introduction of chemical, physical or biological agents into water that degrades the quality of the water and affects the organisms that depend on it. Pollution occurs when human sewage is untreated or enters water through storm sewers and when animal feces wash off the land into waters.

Detailed explanation-3: -Physical contaminants primarily impact the physical appearance or other physical properties of water. Chemical contaminants are elements or compounds. Biological contaminants are organisms in water.

Detailed explanation-4: -Biological pollutants include bacteria, viruses, and parasites that are responsible for waterborne diseases, such as typhoid fever, cholera, dysentery, polio, hepatitis, and schistosomiasis. The presence of Coliform bacteria is indicator of recent fecal pollution.

Detailed explanation-5: -Water pollution is the release of substances into bodies of water that makes water unsafe for human use and disrupts aquatic ecosystems. Water pollution can be caused by a plethora of different contaminants, including toxic waste, petroleum, and disease-causing microorganisms.