When John succeeds, his father says, "You're so smart!" However, when he fails, his father says, "You can't do that, can you? It's OK if you quit." John's father's messages could play a key role in John's adoption of a

The key vitamin involved in the transduction of radiant energy is vitamin

a. A. b. B. c. C. d. D. e. E.

Which of the following is true of exercise

a. virtually no benefits are obtained unless one gets aerobic exercise, for at least 20 minutes, three times per week b. virtually no benefits are obtained unless one gets aerobic exercise, for at least 30 minutes, three times per week c. moderate, minimally-structured physical activity is nearly as effective in promoting health as other, more regimented programs d. following an exercise program of some sort is necessary for mental, but not physical, health e. following an exercise program contributes to physical health but has no impact on mental or emotional status