Twenty-year-old Nora can't remember a time when she didn't have a paintbrush in her hand. Painting is her favorite pastime, and it is also her major in college because she plans to find a career in painting

Which of the following statements about adolescent sexuality is TRUE?

A) There is a lower incidence of early sexual intercourse among low-SES adolescents who have less-educated parents. B) The more time adolescent girls spend studying, the less likely they are to be sexually active. C) Girls who grow up in father-absent homes are less likely to engage in sex than are girls in father-present homes. D) Hearing friends' stories about sexual activities decreases the likelihood that the listener will become sexually active.

The role of the ____________ immune system is to provide universal protection against infections and diseases

A) targeted B) general C) specific D) nonspecific