Mental awareness of sensations and perceptions of external events as well as self-awareness of internal events including thoughts, memories, and feelings about experiences and the self makes up one's __________

The national park system in the United States is being damaged by overuse by

campers, cars, etc. This is an example of (a) a social facilitation demand effect (b) a prisoner's dilemma (c) an excess of cooperation (d) the tragedy of the commons

The incidence of coronary heart disease and deaths from heart disease has been ______during the past 50 years

a. declining steadily b. declining rapidly c. increasing steadily d. increasing rapidly