Fifty percent of our communication is nonverbal.

To argue that a particular claim is justified because it is held by a credible person, is an argument from

a. analogy. b. cause. c. sign. d. authority

The muting system cuts the monitor and:

a. engages the audition monitor b. turns off the microphone c. starts the iPod d. lets the operator know he's on the air e. mutes all speakers and prevents the microphone from creating feedback