What makes rain slightly acidic? Dissolved CO2 makes rain slightly acidic. (Normal rain is slightly acidic.) How is acid rain defined? Acid rain is defined as rainfall that is more acidic than pH 5.6(The pH of acid rain is below 5.6) *Sulfur oxides and nitrogen oxides cause acid rain. (SO2, SO3, NO)*
What are 5 major sources of sulfur and nitrogen oxides? - Power-generating plants - Smelters (melt down metal) - Petroleum refineries - Industrial furnaces - Automobiles
Where do the greatest emissions of sulfur dioxide come from in the United States? What states make up this region? OHIO RIVER VALLEY – Illinois, Indiana, Ohio, Pennsylvania, West Virginia, Kentucky How do acid rain gases get to the Northeast? Air pollution is released through tall smoke stacks that blow high into the atmosphere. There it gets picked up by the prevailing winds and gets carried hundreds of miles.
Describe 3 effects of acid rain. - reduced fish population - decreased soil fertility - reduced crop and forest yields - minerals dissolve more readily - dissolve the waxy protective coating of leaves - decomposition of stone building and statues - makes lakes more acidic
***Acid rain is an environmental problem in New York State that makes limestone a poor choice to use on outside of buildings.***