BIBLIOGRAFIA

Información:
http://www.misrespuestas.com/que-es-la-lluvia-acida.html
http://www.windows2universe.org/earth/Atmosphere/acid_rain.html&lang=sp
http://www.epa.gov/acidrain/education/site_students_spanish/whyharmful.html
http://es.wikipedia.org/wiki/Lluvia_ácida
http://www.epa.gov/acidrain/what/
http://www.windows2universe.org/earth/Atmosphere/acid_rain.html&lang=sp
http://1.bp.blogspot.com/_3VzUEunqqnY/TSa5H1ijthI/AAAAAAAAHRY/dFHCL6NSuU8/s1600/Relampago.jpg

Imagenes:
http://historiadoreshistericos.files.wordpress.com/2011/01/contaminantes.jpg
http://www.windows2universe.org/physical_science/chemistry/hno3_molecule_sm.gif
http://3.bp.blogspot.com/_dW9ldgN61VI/S8wdrQtLajI/AAAAAAAAAFE/uw3J-Y1UY2E/s1600/acido+sulfurico.gif
http://www.izaro.com/files/contenidos/1307432672_1g.jpg
http://3.bp.blogspot.com/_o1kMJXclxlk/TU7LjPWsHmI/AAAAAAAAA6I/XCIJU9_reds/s1600/3901-mercedes_sls_amg_gullwing4.jpg
http://upload.wikimedia.org/wikipedia/commons/8/8a/Triple_expansion_engine_animation.gif
http://elblogverde.com/wp-content/uploads/2008/10/image7.png
http://2.bp.blogspot.com/_J89Vw-5KPOI/TO42OZdyGeI/AAAAAAAAAAY/NWQe78ugQLA/s1600/133636248_0474830306.jpg