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← HistoryWhich outcome limited the operational lifespan of the Saqqara Step Pyramid irrigation channels?
A)Salt accumulation in the soil✓
B)Increased hydraulic head pressure
C)Collapse of load-bearing surfaces
D)Insufficient water channel ventilation
💡 Explanation
Salt accumulation reduces crop yields due to increased soil salinity via capillary action; this is called Salinization. It occurs because continuous irrigation without adequate drainage elevates groundwater, therefore dissolved salts deposit on the surface, rather than being carried away.
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