I got a question for you: The area between the east and west coast highlands, which north of 17 ° N is mainly desert, is divided into separate basins by other bands of high ground, one of which runs nearly centrally through North Africa in a line corresponding roughly with the curved axis of the continent as a whole. The best marked of the basins so formed (the Congo basin) occupies a circular area bisected by the equator, once probably the site of an inland sea.\n\nAnswer this question based on the passage: what geographic feature separates north africa from the rest of africa?
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To answer the above question, the relevant sentence is: The area between the east and west coast highlands, which north of 17 ° N is mainly desert, is divided into separate basins by other bands of high ground, one of which runs nearly centrally through North Africa in a line corresponding roughly with the curved axis of the continent as a whole.
Therefore, the answer is desert.
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