If someone decides to slug you in the arm with the intention of harming you, he/she is exhibiting

According to the article Drinking Without Thinking about the outcomes of prenatal alcohol use, which of the following recreational drugs has been shown to be associated with birth defects?

(a) caffeine (b) nicotine (c) marijuana (d) all of these [a, b, and c] have been shown to be harmful

Around ________ of adolescent boys and ____ percent of adolescent girls have had at least one same-sex sexual encounter

a) 5 %; 15 % b) 20 – 25 %; 10 % c) 30 – 40 %; 20 % d) 10 – 15 %; 25 %