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Unformatted text preview: manner of stubbing out. The intensely pressed butt possesses irregular shape at the end and wrinkled tissue. (http://en.wikipedia.org/wiki/Cigarette#Cigarette_butt). Nicotine is an alkaloid found in the nightshade family of plants. It acts as a stimulant for the people and it is formed properties of tobacco smoking. It contains 0.6-3.0% of dry weight of tobacco with enzyme-catalyze or biosynthesis that took place in the roots occurring in the leaves.(http://en.wikipedia.org/wiki/Nicotine) Pesticide is a chemical substance that are used for preventing, destroying or killing pest....
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- Fall '10