ALERT GA 79. Surface of Africa. also is in middle Africa. The main slope of . f this basin.is towards the west. A part of the world ridge extends along Nearly all the northern part of Africa is a the eastern side of Africa. vast desert. It is called the desert of Sahara. Nearly all Africa is a plateau. The northern Which picture on this page shows a part of half is not very high. the desert? Ranges of mountains lie along the gréater part of the coast.’ Between these ranges and the sea there are low, narrow plains. The highest. parts of Africa are in the east and south. Where is the highland of Abyssinia? , What have you read about a great mountain south of this region? The - -highland of Abyssinia is’ about as _ lofty as that of Mexico. . * Africa has several very large river basins... Among these are the Nile : and the Kongo. Africa: is a land-of large and fierce animals. The upper part of the Nile basin isin the On page 85 there are pictures of some of plateau of middle Africa. This basin is long these? . and narrow, and it slopes to the north. -Find the Atlas mountams on the map of The upper portion of the Kongo’ basin Africa, page 113.