Scholars' cultural beliefs and experiences influence them to focus on particular areas of the world and not others, resulting in academic "silent zones," where there is little study of cultural communication.

Many musicologists have concluded that Jackie Brenston's Rocket 88 began rock ‘n' roll as a music genre

Indicate whether this statement is true or false.

When a speaker uses a combination of presentation aids, he or she is incorporating ________ into the presentation

a. media mix b. diversity c. source variety d. multimedia