They are made up of chlorine, carbon and fluorine atoms. They are found in refrigerators and air conditioners.
US department of energy . Carbon sequestration. 12th phratry ,2008 < http://cdiac2.esd.ornl.gov/ >
Joe Buchdahl. The enhanced greenhouse effect. 11th Sepmtember.
Queensland government.The enhanced greenhouse effect.13th September,2008 < http://www.epa.qld.gov.au/environmental_management/sustainability/climate_change_in_queensland/what_is_the_greenhouse_effect/enhanced_greenhouse_effect/ >
Revkin Andrew. Global warming. London. Abbeville Press...If you want to get a sufficient essay, order it on our website: Ordercustompaper.com
If you want to get a full essay, wisit our page: write my paper