Three themes that unify diverse areas in the field of communication are __________, __________, and __________

Which of the following is not a true presentational aid? After you identify it, explain in detail why it is not a true presentational aid

(A) In a speech about legalizing "Death with Dignity" laws, the speaker includes in her Prezi a map of the U.S. with the number of cases of terminal cancer in the past year listed on each state. (B) In a speech about raising the "debt ceiling" in the U.S., the speaker includes a PowerPoint slide with many dollar signs ($), which wiggle from side to side and flash different colors. (C) In a speech about dieting, the speaker holds up a pack of playing cards to explain the appropriate portion of meat in a typical meal. What will be an ideal response?

What led to the second great crash in the video game market in 1983?

a. Competition from personal computers and independent developers b. A price war among console makers c. Hastily designed and unoriginal games d. All of the choices