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Which consequence results when differential thermal expansion destabilizes the dry-stone masonry shear resistance in Inca architecture?

A)Accelerated mortar carbonation occurs
B)Seismic load absorption increases
C)Interlock keys experience greater stress
D)Wall face bulging becomes more significant

💡 Explanation

Wall bulging becomes prominent because daily temperature differences cause thermal expansivity mismatches between stones, leading to cumulative sliding via a ratchet effect; therefore, the visual effect shows face bulging, rather than seismic or chemical effects dominating.

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