What is the best way for a public service advertisement to enhance its message? multimedia color size length

The best way for a public service advertisement to enhance its message is by multimedia.

Definition:
A Public Service Announcement, or PSA, is a 30 to 60 second video. Its goal is to persuade an audience to take a specific action or adopt a particular viewpoint on a cause or social issue

Persuasive
Argues one clear point of view
Makes you want to do (or not do) something

Entertaining
Engages the audience with a variety of media, such as narration, text, interviews, photographs, dramatizations, or music
Holds your interest

Based on facts
Uses and cites data from reliable sources
Does not rely on rumors or unsupported opinions

Has a clear and realistic message
Something that you can immediately go out and do or take a stand on

Uses concise language
Gets to the point in 30 to 60 seconds

Based on this info: I’d say multimedia.

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Explanation:

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