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← HistoryWhich outcome increased significantly within Incan terrace agriculture when extensive, improperly maintained terracing blocked waterways controlling runoff?
A)Albedo reduction on mountain summits
B)Incidence of debilitating soil salinization✓
C)Enhanced nitrogen fixation rates overall
D)Widespread crop resistance to pathogens
💡 Explanation
Increased soil salinization resulted because capillary action brought salts to the surface where the accumulating salts desiccated the soil; reduced soil permeability caused waterlogging therefore salinization rather than enhanced conditions for nitrogen fixation or pathogen resistance.
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