Assignment of Ch 3 and Ch 4

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Answer the following questions from the textbook:
Exercise 3-1: 2 3 6
Exercise 3-2: 2 3 11 12 17 18
Exercise: 4-1: 2 3
Exercise 4-2: This assignment requires research. Choose either Question 2 (you may focus on cigarettes or e-cigarettes) or Question 3. Write an essay that is at least 500 words with at least two references providing appropriate citations. Exercise 4-2 is worth 50% of the assignment.