Acid Rain Cycle

http://biomesfourth09.wikispaces.com/, Public Domain

Nitrogen Oxides released into the air

Sulfur Dioxides released into the air

H2O + NO2 HNO3 + HNO2water nitrogen nitrous nitric dioxide acid acid

H2O + SO2 H2SO3water sulfur sulfurous

dioxide acid

H2O + SO3 H2SO4water sulfur sulfuric trioxide acid

www.epa.gov, Environmental Protection Agency

NO3- Wet Deposition 1989 1999

2009

www.epa.gov, Environmental Protection Agency

SO42- Wet Deposition

1989 1999

2009

www.epa.gov, Environmental Protection Agency

http://commons.wikimedia.org/wiki, Wikimedia Commons Public Domain

Winkler, E.M.; Natural Dust and Acid Rain; Water, Air, and Soil Pollution.1976:295-302

http://wps.prenhall.com/wps/media/objects/602/616516/, Pearson Higher Education