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The top documents tagged [overuse of soil]
Soil
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Feeding the World. A long long time ago… So what happened
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Unit II: Early African Civilizations Ghana Mali Axum Zimbabwe
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The Great Depression Hard Times. The Dust Bowl Many farmers go bankrupt because they had taken out loans to buy faming machinery and land, and cannot
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Subtitle The diversity of North America. Diversity The condition of having or being composed of differing elements : variety; especially : the inclusion
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Feeding the World
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