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← HistoryWhich consequence occurred when the hydraulic balance declined in Aztec chinampa systems?
A)Invasive species proliferation increased rapidly
B)Reduced soil salinity lowered fertility
C)Waterlogged soils inhibited plant growth✓
D)Decomposition slowed nutrient availability
💡 Explanation
Waterlogged soil results because the diminished hydraulic balance causes impaired drainage rates. Specifically, the mechanism is soil saturation that inhibits root respiration; therefore, plant root systems cannot absorb oxygen and nutrients effectively, rather than benefiting from increased nutrient availability at normal flooding depth.
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