Stock agencies are often concerned about what? a. noise b. exclusivity c. photographer degrees d. all of the above

B because if stock companies are excluded then they may not get as much stock and stock is what they need for their cmpanie to keep going.  

B. Exclusivity

Hope this helped :)

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this shot is an example of a movie still, or screenshot. movie stills are done by a photographer while the movie is being filmed with cameras. the stills are used for advertising in posters, websites, newspapers, and magazines.