Firstly, humus is not actually type of soil, but is rather a form of mature compost. It can be made either through a composting process or can be found in nature, such as in the rich topsoil found in some forests.
Waterborne Diseases. Waterborne diseases are caused by drinking contaminated or dirty water. Contaminated water can cause many types of diarrheal diseases, including Cholera, and other serious illnesses such as Guinea worm disease, Typhoid, and Dysentery.Water related diseases cause 3.4 million deaths each year.ontaminated water can cause many types of diarrheal diseases, including Cholera, and other serious illnesses such as Guinea worm disease, Typhoid, and Dysentery.
Guinea worm disease is caused by drinking water contaminated by water fleas that host the D. medinensis larvae. Guinea worm disease has a history of being very common in some of the world's poorest areas, particularly those with limited or no access to clean water. person becomes infected when they drink water that contains water fleas infected with guinea worm larvae. Initially there are no symptoms. About one year later, the person develops a painful burning feeling as the female worm forms a blister in the skin, usually on the lower limb.