1. Which of the following are anthropogenic sources of acid rain?
volcano emissions, lightning, and microbial processes
industrial emissions and other man-made polluters
smokestacks and volcano emissions
microbial processes and fuel combustion
2.Monuments, statues, and bridges are generally not impacted by erosion from acid deposition.
True
False
3.Which of the following are natural causes of acid rain?
volcano emissions, lightning, and microbial processes
industrial emissions and other man-made polluters
smokestacks and volcano emissions
microbial processes and fuel combustion
