Inside the body of the photographic lens, the opening typically regulated by an interlocking system of metallic leaves.

A. Depth of field
B. Aperture
C. F-stop
D. Shutter 


Answer: B

Communication & Mass Media

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In his speech announcing his candidacy for mayor, Hugh states, "Crime is a problem in our city

We need a better system of locking up the career criminals and patrolling our streets, and I have a plan to do just that" Hugh has used an emotional appeal to his audience's __________ needs. A) physiological B) safety C) belonging and love D) self-actualization

Communication & Mass Media

All introductions should include

A. an attention-getter. B. rapport-building. C. a credibility statement. D. a thesis statement.

Communication & Mass Media

In the television industry, no individual or group may own stations that collectively reach more than 39% of the national audience

True False

Communication & Mass Media

Which of the following is NOT a characteristic of the scientific method?

a. It is based on the method of authority b. It can be used to predict future events c. It builds on the results of previous research d. It is empirical

Communication & Mass Media