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← HistoryWhich outcome occurs when seasonal flooding deposits nutrient-rich sediments upon ancient 'chinampa' agricultural systems?
A)Sustained soil fertility is enhanced✓
B)Rapid nitrogen depletion accelerates erosion
C)Salinization processes induce crop failure
D)Methane production quickly acidifies soils
💡 Explanation
Sustained soil fertility happens because the seasonal flooding employs deposition, the mechanism washing fertile sediment onto planted areas. Therefore, soil quality increases rather than diminishing, promoting continuous high yields despite intensive cultivation, preventing crop decline.
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