Emily is preparing a presentation to teach elementary students about safe swimming. which tone is most appropriate for this purpose? a formal tone, because her purpose is to frighten young children a formal tone, because her purpose is to educate parents and teachers an informal tone, because her purpose is to inform young children an informal tone, because her purpose is to entertain parents and teachers

An informal tone, because her purpose is to inform young children.

Explanation:

Since Emily's purpose is to teach elementary students about safe swimming, she must use a language that is familiar and friendly to these young children, thus, an informal tone, which usually consists of words more common in our everyday speech and of shorter sentences, is the best suitable as children would be more likely to grasp the information quicker and to remember it more easily in the future.

explanation:

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answer; (external conflict)