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← HistoryWhich undesirable outcome plagued some early Inca lithic constructions where dissimilar stone types were combined?
A)Increased seismic vulnerability✓
B)Accelerated material oxidation
C)Decreased acoustic resonance
D)Enhanced piezoelectricity
💡 Explanation
Combining stones with different coefficients of thermal expansion introduced differential stress during temperature shifts, triggering relative movement via the mechanism of thermal stress concentration; therefore, the structure became more vulnerable to earthquake damage rather than other chemical or physical effects.
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