Different sources are aimed at different audiences. sometimes a source can be directed at more than a single group of people.
( a. historical magazines b. personal journals c. documentary films) are usually aimed at the general population across the globe. some sources may have a very specific audience. ( a. a historical novel b. a literary journal c. an autobiography) can be specifically aimed at students or scholars with a background in literature.

Different sources are aimed at different audiences. Sometimes a source can be directed at more than a single group of people. Personal journals are usually aimed at the general population across the globe. Some sources may have a very specific audience. A literary journal can be specifically aimed at students or scholars with a background in literature.

Explanation:

Personal magazines often portray general subjects such as curiosities, cooking, and other types of information that are of interest to the general public. This type of magazine usually has a wide audience because it can cover subjects of interest to the entire population, or at least most of the population. For this reason, "Personal Magazines" should be the option to fill in the first blank in the question.

On the other hand, a literary magazine is a source of information for a specific audience because it covers only one type of subject. The public that will be interested in this type of information will probably be students or academics with a background in literature.

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