Which best describes the relationship between biological, psychological, and sociocultural forces in human development?

According to a British study, compared to married couples, long-term cohabiting couples are

a) less likely to have children. b) just as happy. c) happier. d) more unhappy.

The ________ are involved in personality, intelligence, and the control of voluntary muscles.

A. occipital lobes B. temporal lobes C. frontal lobes D. parietal lobes