The use of systematic methods to observe the natural world, including human behavior, and to draw conclusions

In general, what effect does the presence of other people have on the amount of food an individual eats?

a. The presence of others makes people eat less. b. The presence of others makes people eat more. c. The presence of others has no effect on the amount people typically eat. d. The presence of others can make people eat more or less than usual, depending on the situation.

What sexually transmitted infection can be transmitted to the fetus during prenatal development and to the neonate during birth and later through breast milk?

a. syphilis b. herpes c. gonorrhea d. AIDS