According to problem-based explanations, international organizations are designed to ______.

Which of the following is an example of a public good?

a. an apartment building b. a grocery store c. a highway d. a CD player

The advantage of written communication, as opposed to spoken communication is:

a. It allows presenters to interact with the audience. b. It can be more precise. c. It can easily be used to appeal to the emotions of the audience. d. It can be used against an opponent at a later time.