Which undesirable outcome was inherent when ancient canals exceeded capacity?

💡 Explanation

Ancient Mesopotamia diverted floodwater into canals; the increased water volume eroded the silty banks through hydraulic scouring. This led to mobilization of salts within the soil because the water table rose and evaporated, therefore leaving behind minerals, rather than improved soil quality, decreasing long-term agricultural yield.

• Which consequence resulted from the use of chinampa raised-bed agriculture without adequate nutrient replenishment in pre-Columbian central Mexico?
• Which outcome occurs when Roman aqueduct arches experience excessive lateral thrust?
• Which consequence resulted from inconsistent plate alignment in early astrolabes used for navigation?
• Which weathering effect increases due to differential expansion within pietra dura inlay?
• Which outcome accelerated dye production variability following the introduction of sericulture within the Byzantine Empire?
• Which outcome occurred as ancient Chinese iron ploughshares improved?