The answer to this is farming.
Most deaths occur in farming because of the flying debris. Some of the survival occurs in farming too. When there is a tornado the people usually take shelter in root cellar.
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Answer:
Public smoking bans appear to significantly reduce the risk of heart attacks, particularly among younger individuals and nonsmokers, according to a new study. Researchers find that smoking bans can reduce the number of heart attacks by as much as 26 percent per year.