________ is usually performed between the tenth and twelfth weeks of pregnancy, but it can be performed as early as the fifth week

A thick juicy hamburger is to hunger as ________ is to ________.

a. need; drive b. incentive; drive c. extrinsic motivation; intrinsic motivation d. homeostasis; thirst e. incentive; instinct

Contusions

A) occur only when the brain is punctured by a sharp object. B) involve hemorrhage and hematoma. C) are often produced by the brain slamming against the inside of the skull. D) all of the above E) both B and C