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← HistoryWhich consequence accelerates wetland soil subsidence when Aztec chinampa systems undergo intensive multi-cropping?
A)Reduced water flow nutrient import
B)Increased carbon oxidation rates✓
C)Decreased sediment loading capacity
D)Enhanced evapotranspiration salt accumulation
💡 Explanation
Increased soil disturbance in multi-cropping chinampas accelerates carbon oxidation rates because exposure to air increases decomposition of organic matter. Therefore, the risk of soil subsidence increases, rather than reduced nutrient flows which maintain soil volume under traditional usage.
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