The use of scrubbers, precipitators, and filters on power plants and other "smokestack" industries probably

Question

accounts for a(n)

A. increase in nitrogen oxides.

B. decrease in sulfur oxides and solid particulate matter.

C. decrease in solid particulate matter and lead.

Answer 1

b. When you're burning coal, you have to worry about particle and elements found in organic matter, like sulfur. Lead is not as prevalent in coal and petroleum as it is in pegmatites.

Answer 2

b... i thinks.