Even town criers on the streets of Europe were advertising vehicles

The four nonverbal signs of involvement in a conversation are immediacy, composure, engagement, and _____.

a. expressiveness b. coordination c. motivation d. responsiveness

What type of visual aid was Alex using when his handmade replica of the Vietnam Veterans Memorial demonstrated how different this memorial was from traditional war memorials? 

A. Multimedia B. Diagram C. Model D. Object