Question

Deterioration of limestone occurs more rapidly as the concentration of what increases?

Answer 1

air pollutants

Figure 12.7 Statues made from carbonate compounds such as limestone and marble typically weather slowly over time due to the actions of water, and thermal expansion and contraction. However, pollutants like sulfur dioxide can accelerate weathering. As the concentration of air pollutants increases, deterioration of limestone occurs more rapidly.  credit: James P Fisher III .