Bibliography

1. Acid Rain. (n.d.). Environment Canada. Retrieved May 19, 2014, from https://www.ec.gc.ca/air/default.asp?lang=En&n=AA1521C2-1

2. Acid Rain Questions & Answers. (n.d.).Department of Environmental Conservation. Retrieved May 18, 2014, from http://www.dec.ny.gov/chemical/8418.htm

3. Chemical formula. (n.d.). Acid rain. Retrieved May 19, 2014, from http://www.chemicalformula.org/acid-rain

4. What is Acid Rain?. (n.d.). Acid Rain Students Site. Retrieved May 19, 2014, from http://www.epa.gov/acidrain/education/site_students/w