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← HistoryWhich risk increases when using uneven courses in Inca stone masonry?
A)Increased resistance to seismic activity
B)Decreased need for mortar application
C)Localized stress concentrations increase✓
D)Improved thermal regulation performance
💡 Explanation
Localized stress concentrations increase because the inconsistent load distribution creates weak points, making the structure susceptible to fracture from environmental forces due to uneven load transfer from stone interlocking, therefore the structure risks failure rather than resisting, distributing, or regulating.
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