__________ would love to figure out how much of the media audiences they buy is disinterested in their products and messages

When using a visual aid, where should the speaker look?

A. facing the screen or visual aid B. in any direction, so long as you point at the visual aid when appropriate C. at the audience D. with their back to the audience

______ represents a single unit and is often highly empirical in nature

a. Assurance b. Information c. Data (datum) d. Intelligence