Africa is best described as a continent, characterized by its vast size and cultural diversity. It is not a country, desert, or river, but rather encompasses many nations and varied landscapes. Understanding Africa's classification as a continent highlights its importance in geography. ;
Africa is best described as a continent, notable for its size and cultural diversity. It comprises 54 countries and various ecosystems, distinguishing it from countries, deserts, and rivers. Therefore, the correct answer is B. continent.
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