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Which outcome occurs when poorly-fired Roman bricks experience high moisture?

A)Calcium carbonate leaching accelerates
B)Pozzolanic reaction completes early
C)Efflorescence rates rapidly decrease
D)Aggregates undergo grain-boundary hardening

💡 Explanation

Calcium carbonate leaching increases within the brick due to accelerated *dissolution*, weakening structural integrity because unstable calcium compounds wash away; therefore, structural failure is more rapid, rather than the pozzolanic or boundary hardening pathways.

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