1 what percentage of the worlds population lives in

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1 What percentage of the world’s population lives in Africa? 10%
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How was the Great Rift Valley formed? Formed millions of years ago when the continents pulled apart. How long is the Great Rift Valley? 4,000 miles long What is the name of the dam that Egypt built in the 1960’s to control the flooding of the Nile? The Aswan High Dam What is the name of the man-made lake that formed behind the dam in the last question? lake nasser What are two positive effects of building the dam? provides prime recreational facilltiesthroughout the united states What are some other major rivers in Africa? (at least
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3) the What climate zones exist on the continent of Africa? hot desert climate What factors influence climate? elevation or altiude Where do large herd animals like zebras and elephants live in Africa? Raising just enough to support one’s family. What is subsistence farming? Often grow wheat, barley, yams, cassava, and other fruits and vegetables. What are some of Africa’s cash-crops? What are some of the natural resources that Africa has that are in high demand?
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