According to statistics, compared to a middle-class adult, a low-income person will die _____, and become disabled at a(n) _____ age.

You hear that a friend works in a "small machinery store," and you do not know whether "small" describes the size of the store or the size of the machinery in the store. This situation is called

a. indirect access. b. a nested structure. c. pragmatics. d. ambiguity.

According to your textbook, what is the most likely explanation for why first-born children tend to have higher IQ's?

A) prenatal exposure to flu B) they are the oldest sibling and tutor younger siblings C) temperature during infancy D) exposure to sunlight during infancy