Environmental
Pennsylvania homeowners in areas with uranium-bearing geology should be particularly concerned about which indoor environmental hazard?
AAsbestos from naturally occurring mineral deposits
BRadon gas seeping from granite and other uranium-bearing rock formations✓ Correct
CMercury vapor from naturally occurring cinnabar deposits
DCarbon monoxide from decomposing organic material in soil
Explanation
Pennsylvania has some of the highest radon levels in the United States, particularly in areas with granite, black shale, and other uranium-bearing geology (central PA, Reading Prong in southeastern PA). Radon, a colorless odorless radioactive gas, seeps through foundations and accumulates indoors.
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