The Sahara is one of the largest deserts in the world and occupies almost 10% of the African continent. Almost all of the Sahara receives little rainfall, thus it is very hard for many species of plant and animal to survive there. The soil is mostly rock and sand, with some vegetation. Many areas of the desert are sandy dunes, but there are also mountains, rocky plains, and valleys within the Sahara. This link provides information and pictures:http://www.eoearth.org/article/Sahara_desert?topic=49460
Well to begin with, the Sahara is the largest desert in the world (outside of the poles). It stretches over a vast part of northern African practically splitting the continent in half. Although it is a very hot and dry place–receiving less than 3 inches of rain a year–it is speckled with oases. But don’t get too excited, because these havens can be few and far between.
Photo Credit: http://commons.wikimedia.org/wiki/File:Maroc_Sahara_caravane.jpg
This map shows the span of the Sahara desert in Africa.
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