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← HistoryWhich outcome occurred if Sumerian irrigation canals experienced increased sedimentation?
A)Reduced crop yield downstream✓
B)Increased navigation efficiency overall
C)Decreased salinity in soils
D)Improvements in potable water quality
💡 Explanation
Reduced crop yield downstream occurs because sedimentation reduces flow via decreased hydraulic radius for water transport; this causes decreased water availability for irrigation downstream, therefore there are reduced yields rather than increased navigation, decreased salinity, or improved water quality.
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