noun, Pathology. 1. the accumulation of excessive ketones in the body, as in diabetic acidosis. Origin of ketosis. 1915-1920.
Climate zones of Africa, showing the ecological break between the hot desert climate of the Sahara Desert (red), the hot semi-arid climate of the Sahel (orange) and the tropical climate of Central and Western Africa (blue).
3. Sahara Desert. Sahara is the Largest Hot Desert in the World according to total Area covered about 9,400,000 square km, and located in the region of Africa and it stretched through 13 countries. Climate is in this Land enormous variation that very hot and warm in air in the daytime and cold at night.