A group or cluster of symptoms is called a

Aerobic exercise is important to pregnant women because it helps to _____

lower muscle mass and increase fat mass increase fetal heart rate and blood pressure stop dangerous teratogens from reaching the fetus increase the woman's ability to process oxygen

A social exchange theorist would probably try to explain George and Martha's disagreements about money as

a. a function of their conflicting interests b. a result of their childhood experiences with money c. their cultural backgrounds d. their individual personality characteristics