Julio is playing paintball with his friends. He is wearing his new camouflage suit, hoping that it will interfere with which Gestalt principle?

Miranda suffers from type 2 diabetes. If she is typical, you would guess that she is also:

a. a smoker b. a moderate to heavy drinker (of alcohol) c. obese d. under the age of 50

People's health, happiness, and life expectancy are greatly affected by the health habits that they have developed by the time they are years of age

a. 10 to 12 b. 18 to 19 c. 25 to 30 d. 40 to 45