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← HistoryWhich outcome develops when an Inca retaining wall exceeds height limits?
A)Decreased frictional soil retention
B)Increased seismic motion dampening
C)Excessive hydrostatic pressure forms✓
D)Improved temperature controlled environment
💡 Explanation
Hydrostatic pressure increases with height; therefore, without adequate drainage and stepped terracing, the pressure mechanism causes the Inca masonry retaining wall sections to bulge and potentially fail, rather than maintaining soil by friction.
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