One of the greatest risk factors to the fetus during pregnancy is the mother's age

In 1900, the death rate of U.S. children under the age of 5 was ____; in 2009 it was ____

a. 8%; 4% b.18%; 8% c. 50%; 5% d. 30%; 1.5%

Type Ds are __________ times more likely to have had psychotherapy in the past month than non-Type Ds

a. four b. six c. ten d. twenty