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← ScienceWhich risk increases when moisture condensation in building walls causes saturation?
A)Increased material thermal conductivity✓
B)Decreased convective heat transfer
C)Elevated air infiltration rate.
D)Enhancement of radiative heat transfer
💡 Explanation
Increased moisture content raises the material's thermal conductivity because **vapor transport enhances conductance**; therefore heat transfer accelerates rather than slows, and condensation becomes more problematic, exacerbating structural and insulation degradation.
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