What type of exercise includes walking at a rapid pace, jogging, or pedaling a stationary bike, and enhances the functioning of the respiratory, cardiovascular, and digestive systems?

Today, people are least likely to die_____

A. slowly B. in old age C. in youth D. of chronic disease

After decades of research on the effect that others have on task performance, social psychologists have concluded that the presence of others ____

a. almost always improves performance, because it stimulates competition b. almost always hinders performance, because it elicits evaluation apprehension c. has mixed effects, because it elicits evaluation apprehension d. has mixed effects, because it elicits a person's dominant response