Mod+3+Acid+Rain

  ** What is acid rain? ** =When gas emissions combine in the atmosphere causing an acidic precipitation that can harm and dissolve non-living things, in turn, affecting living organisms. Most of these problems with acid rain are caused by large coal burner plants in the West. =

= = http://videos.howstuffworks.com/hsw/6204-water-in-our-environment-acid-rain-video.htm#

= = =Acidity is measured by: **__ potential of hydrogen (pH) __** =

=fish, frogs, and insects will die when the water goes below a pH of 4.5. = =With a pH of 5.5, all of the bottom-dwelling bacterial decomposers will begin to die =

== = = = How it Affects Us? =

==

It Harms:

 * ==Enviroment ( trees, bulidings, monuments, statues, etc.)==
 * ==Animals (fish, frogs, insects etc.)==

=Substances that Cause Acid Rain= = =
 * ===**carbon dioxide** ===
 * ===**carbon monioxide** ===
 * ===**Chlorofluorocarbons (CFCs) ** ===
 * ===**Hazardous air pollutants (HAPs)** ===
 * ===**Lead**<span style="font-family: Verdana,Arial,Helvetica;"> ===
 * ===<span style="font-family: Verdana,Geneva,sans-serif;">**<span style="font-family: Verdana,Arial,Helvetica;">Nitrogen oxides (NOs) ** ===
 * ===<span style="font-family: Verdana,Geneva,sans-serif;">**Ozone** ===
 * ===<span style="font-family: Verdana,Geneva,sans-serif;">**Sulfur dioxides** ===
 * ===<span style="font-family: Verdana,Geneva,sans-serif;">**Volatile organic compounds (VOCs)** ===
 * ===<span style="font-family: Verdana,Geneva,sans-serif;">**particulate matters** ===

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