Check your grammar now! : a complex sphincter closing the duodenal orifice of the common bile duct.
This Living Encyclopedia of East Africa is intended to provide information on the countries that primarily make up Swahili-speaking region of East Africa in a concise form. These countries are Kenya, Tanzania, Uganda, Rwanda, and Burundi.
East Africa Rift Valley System), proximity to the ocean (west coast of Africa, in particular Nigeria) and the presence of a major river delta (Niger Delta that empties out in Nigeria). The map below shows the population density patterns in sub-Saharan Africa.he East African Rift Valley System is an example of a fissure in the Earthâs crust in which the continent is splitting apart, causing an extensive series of valleys, fingerlike freshwater lakes and volcanoes to form. The map below shows how dominant savanna zones are in sub-Saharan Africa, in particular the Sahel.