Which attraction factor tends to decrease the chances that a marriage will end in divorce?

Romantic relationships during adolescence

a. are associated with higher self-confidence and self-esteem. b. tend to begin at the same age in all ethnic groups. c. usually involve being part of a well-defined couple when they first begin. d. involve sexual exploration but not friendship, trust, or support.

Parent–infant "cosleeping" is the norm for approximately _____ percent of the world's population

A) 35 B) 50 C) 65 D) 90