Smoking cigarettes can harm smokers by: a. causing cavities b. killing a smoker prematurely c. causing infertility d. all of the above

Name two drugs that work to cause change in the nervous system

Which of the following foods would be the best choice for someone who's lactose-intolerant?   a.  frozen yogurt    b.  strawberry sorbet    c.  cheesecake    d.  chocolate ice cream

4. decision trees are organized through a series of choose one answer. a. tiers b. the cut/dry method invented by the university of madagascar c. disorganized webs