Aresearcher obtained a random sample of 100 smokers and a random sample of 100 nonsmokers. after interviewing all 200 participants in the study, the researcher compared the rate of depression among the smokers with the rate of depression among nonsmokers.

Andra has a family history of osteoporosis. her doctor advises her to eat foods rich in calcium. which foods should she add to her diet? a. fruits, especially grapes and berries b. unsaturated fats like olive and soybean oil c. beet greens, broccoli, and cheese

True or false. repeated drug use may lead to drug tolerance which occurs when a user requires larger amounts of the drug to achieve the desired effect.

Dark clothing enables sweat to be evaporated on the skin's surface very quickly. loose light tight