How much a child plays with boys’ toys is apparently increased by prenatal exposure to ______ and decreased by prenatal exposure to ______. a. cortisol . . . estradiol b. testosterone . . . phthalates...

How much a child plays with boys’ toys is apparently increased by prenatal exposure to ______ and decreased by prenatal exposure to ______. a. cortisol . . . estradiol b. testosterone . . . phthalates c. high temperatures . . . low temperatures d. cocaine . . . alcohol