4. Nile—the world’s longest river; one of the cradles of civilization 90% of Egypt's population lives here (3% of land) flows into the Mediterranean Sea. length of about 4,160 miles discharge is 680,000 gallons per second comes from the Greek “neilos”, which means valley.

9.  The Sahel region is a dry grassland south of the Sahara.

11.  The Great Rift Valley is in Eastern Africa and has high cliffs and rich soil.

12.   This stretches from Syria (Asia) to Mozambique (Africa).   It is a depression in Earths surface formed by the spreading or extending of 2 tectonic plates.   When the plates spread the ground between the 2 plates sank and filled in with water.   Volcanoes also formed and that was cool.

17.  Lake Victoria is the second largest freshwater lake in the world.

18. Largest Lake in Africa. 2nd Largest freshwater lake in the world (Lake Superior, USA is 1st) Source of the White Nile, which joins with the blue Nile to form the Nile River.

24.  Mount Kilimanjaro is the tallest mountain in Africa.  At 5895 metres (19341 feet) tall, Mount Kilimanjar o is the tallest free- standing mountain in the world

31. Almost every kind of ecological system is found on the mountain: cultivated land, rain forest, heath, moorland, alpine desert and an arctic summit.

32.  The two largest deserts in Africa are the Sahara in the north and the Kalahari in the South.  Today, Africa is experiencing desertification, or the advancement of desert.  The Sahara Desert is continually expanding southward.

33.  The Sahara is the world’s largest hot desert and one of the harshest environments on the planet.   It is third largest desert overall after Antarctica and the Arctic, which are cold deserts.