According to the text, about what percent of fertilized eggs are lost within the first two weeks following conception:

By definition, "frustration" occurs when

A) aggression is blocked. B) drive reduction is blocked. C) a person is angry. D) a person is unhappy.

The middle class in the late 19th century achieved "death with order" by

a. making sure the death of loved ones occurred in full view of the family. b. preparing funeral arrangements far in advance. c. creating separate sphere ideology: men's work away from the home, women's work from men's, specialists (medical, clerical, etc.). d. None of the above.