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← HistoryWhich consequence resulted when ancient Cusco's fit with clay mortar failed?
A)Stone shifted during seismic events✓
B)Canals experienced cascading water failures
C)Quipu records became irreversibly unreadable
D)Terracing crops led to nutritional deficiency
💡 Explanation
Seismic events induce inertial forces, thereby causing stone motion and the dissipation of kinetic/potential energy. Since clay mortar had no reinforcement that could be present to resist sheer forces in earthquakes, stones settled unevenly rather than uniformly.
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