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The Oases
An oasis is an area where underground rivers and streams supply water to the
surface. 200,000 sq. km of the sahara is oases. Most of the oases in the sahara
have dried out, but there are still about one hundred large oases left in the
sahara. Small oases can only support one family while large oases can support
whole towns. Many tribes live in oases such as the Tuareg tribe. The fertile
soil of the oases grow date plants, fruits, vegetables, and grain.

An example of an Oasis
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