Cigarettes: From american lung association: “there are approximately 600 ingredients in cigarettes. When burned, they create more than 4, 000 chemicals. At least 50 of these chemicals are known to cause cancer, and many are poisonous. “ for some of these see: http://www.Lung.Org/stop-smoking/about-smoking/facts-figures/whats-in-a-cigarette.Html.
Answered 12/28/2013
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