According to Mehrabian, nonverbal communication conveys _____ of the emotional meaning of our messages

When was the telegraph first used to transmit news stories?

a. During the American Revolution b. During the Mexican-American War (1846-1848) c. During World War I d. During World War II

"A tornado's funnel is like the vortex you see when you let water go down a drain." This is an example of which principle?

A. Assess the knowledge of the listeners. B. Use the familiar to explain the unfamiliar. C. Relate the speech to the listeners' self-interest.