What does the feeling of being pulled in two or more directions by opposing motives result in?

As the size of the team ________, the relationship between any individual's productivity and his or her pay ________.

Fill in the blank(s) with the appropriate word(s).

Maternal smoking, alcohol use, stress during pregnancy, delivery complication, premature birth, and lower birth weight are all

a. teratogens. b. irritants. c. complications. d. postnatal.