How has tectonic activity affected waterways in Africa South of the Sahara?

Answer 1

Land and Waterways of Africa Africa has two major kinds of land. Lowlands are in the north and west. Highlands are in the south and east. Most of Africa south of the Sahara lies on a plateau. The tectonic plates beneath Africa have been slowly pulling apart for millions of years. This has formed broad valleys called rifts. The Great Rift Valley of Africa stretches from the Red Sea to Mozambique. Parts of the Great Rift Valley have filled with water, forming huge lakes. The world's longest river, the Nile, is in Africa. Some African rivers have powerful waterfalls. Lakes and rivers provide fresh water and fish. Many Climates Africa South of the Sahara has four major climate regions. They are desert, semiarid, tropical, and equatorial. Desert climates have little rain, high temperatures, and few plants and animals. Semiarid regions are near deserts. These areas have high temperatures but get more rain than deserts. Many places in Africa are experiencing desertification. One cause of desertification is drought. Other causes are overgrazing and overuse of land for farming. Desertification is a serious problem. When land becomes desert, there is less land for farming. This adds to the problem of hunger in many African countries. Africa's tropical regions have a rainy season that can last for six moths. Semiarid and tropical regions have savannas. Africa's equatorial region has two rainy seasons and two short dry seasons each year. This region gets a lot of rain and has high temperatures. There are rain forests, and many animals live in this region. Africa is rich in resources. Gold, diamonds, copper, and tin are some of Africa's many minerals. Minerals are nonrenewable resources. Africa also has renewable resources, such as trees, nuts, coffee, bananas, and rubber. Another important resource is wildlife. Every year, African wildlife draws people from all over the world.