In the moment od conception, a male's sperm unites with a female's egg to produce a(n):

A negative correlation means that __________

a) high values of one variable are associated with low values of the other. b) high values of one variable are associated with high values of the other. c) low values of one variable are associated with low values of the other. d) there is no relationship between the two variables.

Older single women in well-paid occupations who choose parenthood

A) often lack emotional and parenting support. B) often experience a stressful transition to parenthood. C) have a hard time coping effectively with parenting challenges. D) may encounter fewer parenting difficulties than married couples.