Which of the following individuals would be the most persuasive communicator?

a. A physically unattractive individual with great knowledge of the topic
b. A trustworthy individual who has extensive knowledge of the topic
c. A physically attractive individual who appears trustworthy but has no knowledge of the topic
d. An individual who is obviously trying to sell a product

According to this map, which of these statements is most correct? a) fewer people are contracting hiv in europe than in the past. b) fewer people are contracting hiv in southern africa than in the past. c) egyptians are less likely to contract hiv than people in sub-saharan africa. d) people in canada contract hiv more frequently than people in the united states.

Which statement best explains how world war ii to end the great depression? a. new job opportunities opened as the united states produced more military products. b. the u.s. army provided new jobs that paid better than any other work at the time. c. people had to worry more about war problems than about the economic crisis. d. the war caused people to trust the economy enough to spend more money.

Which factors slowed population growth in china until the 1300? a. one child policy. b. urbanization c. epidemics. d. warfare