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← HistoryWhich stability risk increased during ziggurat construction due to improper sedimentation techniques in the Euphrates River diversion?
A)Differential soil compaction beneath structure✓
B)Erosion of outer baked brick layers
C)Increased seismic resonance amplification
D)Decreased bitumen waterproofing effectiveness
💡 Explanation
Differential soil compaction occurred because inconsistent river sediment layers settled when Euphrates River was diverted; therefore, the ziggurat could lean or crack due to uneven support, rather than uniform settling provided by proper compaction.
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