the purpose of an outline for an informative essay is to cite research materials. explain the essays…

Brief Explanations:

An outline for an informative essay serves to plan and organize the content. It helps in structuring the essay by clearly defining the sections, sub - sections, and the flow of ideas. Citing research materials is more related to the content sourcing (usually done in the writing or referencing stage), using effective language is about the writing style (applied during composition), and including strong paragraphs is a part of the writing process. But the core purpose of an outline is to map out the essay's structure.

Answer:

explain the essay's structure.