Acid rain is formed when emissions of sulfur dioxide or nitrogen oxides, typically from coal or oil burning utility plants and other industrial facilities, combine in the upper atmosphere with water vapor to form highly corrosive acids.
(Acid rain; is formed; T:when emissions of sulfur dioxide or nitrogen oxides, typically from coal or oil burning utility plants and other industrial facilities, combine in the upper atmosphere with water vapor to form highly corrosive acids) (emissions of sulfur dioxide or nitrogen oxides, typically from coal or oil burning utility plants and other industrial facilities; combine; L:in the upper atmosphere; with water) (emissions of sulfur dioxide or nitrogen oxides, typically from coal or oil burning utility plants and other industrial facilities; to form; highly corrosive acids)
Acid rain emissions of sulfur dioxide or nitrogen oxides, typically from coal or oil burning utility plants and other industrial facilities emissions of sulfur dioxide or nitrogen oxides, typically from coal or oil burning utility plants and other industrial facilities
is formed combine to form
T:when emissions of sulfur dioxide or nitrogen oxides, typically from coal or oil burning utility plants and other industrial facilities, combine in the upper atmosphere with water vapor to form highly corrosive acids
L:in the upper atmosphere with water
highly corrosive acids