In western cultures, introversion is belittled in part because people tend to equate introversion with

Which of the following statements about free radicals is true?

Their association with the aging process is a myth. Antioxidants have little effect on the damage that can be caused by free radicals. Oxygen free radicals scramble DNA and produce errors in cell maintenance. All of the answers are correct.

To understand the phenomenon of instinctual drift, it is most helpful to realize the importance of

a. cognitive maps. b. species-specific tendencies. c. operant conditioning. d. classical conditioning.