Acid deposition results from
A) carbonic acids dissolved from atmospheric carbon dioxide.
B) nitric acid and sulfuric acid, formed from nitrogen oxides and sulfur dioxide.
C) hydrocarbons, nitrogen dioxide, and carbon monoxide.
D) hydrochloric acid, formed from the combination of hydrogen chloride and water.
Question 2
Photochemical reactions produce
A) principally sulfur dioxides.
B) particulates such as dust, dirt, soot, and ash.
C) ozone and peroxyacetyl nitrates (PAN).
D) carbon monoxide.