Unformatted text preview: these materials mix with water. • What is acid rain? collective term used to refer to all acid forming processes • What is the pH of "normal" rain? between 5.6 and 5.7 • Why is “normal” rain naturally slightly acidic? formation of carbonic acid when carbon dioxide reacts with atmospheric moisture • What is the scope of the acid rain problem? Global, mostly in Canada, England, Germany, France, Scandinavia, US What kind of damage does acid rain cause to man-made materials? erosion of buildings and monuments made of limestone and corrosion of metal surfaces • What kind of damage does acid rain cause to ecosystems? In terresitrial: link between tree decline and acid rain, cause soil become acidic and aluminum interferes with ability of plant roots to absorb nutrients In aquatic: healthy lakes have pH ~6.0. increase in acidity leads to progressive loss of many kinds of organisms 1...
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- Spring '08
- Acid rain, acid deposition, acid rain problem, acid rain cause, acid forming reactions