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← HistoryWhich structural compromise arose when incrementally increasing ziggurat height beyond clay tensile limit?
A)Reduced step slope impeding access✓
B)External buttressing blocking drainage
C)Internal chamber collapse under load
D)Layer detachment due to thermal expansion
💡 Explanation
When ziggurat height increased, the clay material was subject to tensile limits, leading to potential collapse; therefore, shallower slopes were implemented because a reduced angle decreased shear stress. Therefore, reduced step slope results, rather than buttressing, chamber collapse or detachment each of which introduce added structural burdens and complexity.
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