According to your textbook, the single biggest contributor to health problems in the United States is

a. overeating

__________ is a disorder in which a person experiences episodes of mania and depression

A) Generalized anxiety disorder B) Major depression C) Bipolar disorder D) Borderline personality disorder

Chess masters form a type of chess grammar that is manifest in their ability to:

A) "see" more pieces at a glance B) recall random patterns better than novice players C) move more rapidly D) describe the board set-up more clearly E) write chess articles