Why might an area with a large amount of limestone (CaCO3) be less susceptible to acid rain?
A. Only acid rain made from sulfur compounds reacts with the limestone.
B. The acid in the rain is neutralized by the natural base in the limestone.
C. The rain travels quickly through the porous limestone, and therefore, the rate of reaction is slower.
D. Limestone is degraded by acid rain, and therefore, acid rain has the same damaging effects.
E. none of the above
Answer: B
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