5. Desertification This means turning land into desert. Approximately one-third of Earth's land surface is desert
6. A satellite image of the Sahara , the world's largest hot desert and second largest desert after Antarctica . A desert is an area receiving less than 10 inches of precipitation annually.
7. Great Basin Sahara Kalahari Great Victorian Gobi Arabian Atacama Antarctica
8. Where is the Sahel The Sahel lays to the South of the Sahara Desert and extends across most of Africa. It includes Ethiopia (8) (2), Sudan (37), Chad (7), Niger (1), Somalia (?)
