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10 cards from this deck
Fundamental/central role in food production
People settle where fertile soils can support crops
Annual floods deposited nutrient-rich soil on farmland
Land that can be used for growing crops
12%
35 million people
800 million people
Essentially non-renewable (takes many years to regenerate)
Shallow soils, hard parent rock, low rainfall
Clear correlation - high fertility areas have dense populations
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