The technology and media usage gap between the rich and poor, highly educated and less educated, developed world and developing world, and so forth, is known as the ______.

A presentation aid with a good composition means that it is __________.

A. clear, uncluttered, topical, and simple B. rich and complex C. uses proper grammatical skills D. all of these choices E. none of these choices

Which of the following words is the most concrete?

a. Sport b. Activity c. Competition d. Sailing