Women who have had numerous sexual partners are at higher risk for cervical cancer than celibate women

The formal operational child approaches problems by

a. forming hypotheses and systematically evaluating all possibilities. b. trial-and-error. c. relying on past experience. d. using centration.

_________ is the regulation of a cell's internal environment

a) nuclear equilibrium b) equilibrium c) homeostasis d) nuclear stability e) None of the above.