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← HistoryWhich agricultural risk drastically increased downstream during unsustainable ancient loess terracing?
A)Increased river sediment load✓
B)Declining crop protein content
C)Widespread plant fungal infection
D)Decreasing farm soil pH
💡 Explanation
Terracing failure causes significant erosion because vegetation removal induces soil particles DISPERSION; therefore, river sediment load drastically increases, rather than biochemical imbalances in crops because the soil primarily impacts structural stability.
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