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← HistoryWhich outcome occurs when a major aqueduct loses water pressure?
A)Siphon action reverses water flow
B)Calcite deposition seals leaks uniformly
C)Incrustation rates equalize over time
D)Reduced hydraulic head harms water supply✓
💡 Explanation
Reduced hydraulic head causes diminished supply, because pressure maintains flow-volume against friction; therefore supply reduces downline rather than siphoning due to back pressure and system design preventing backflow across distances.
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