Review the expository writing prompt below.

Write an expository essay that informs your audience about a significant problem you aspire to solve when you grow up. Describe the problem in detail, its causes and effects, and explain two potential solutions for positive change. Support your ideas with well-researched evidence. Your expository essay must be based on this prompt and topic, and it must incorporate ideas and information found in at least three researched sources.
Use your best writing to complete an essay that

is focused on a central idea;
combines evidence from three credible sources with your own elaboration to develop your ideas;
is organized and includes transitions within and among ideas;
provides citations for quoted material and source ideas; and
demonstrates correct use of grammar and language appropriate to the task.

What is the purpose of incorporating well-researched evidence into the expository essay?
To showcase the author's personal opinion and expertise on the topic
To strengthen the credibility and support of the essay's ideas
To entertain and engage the audience with interesting facts and anecdotes
To persuade the audience to agree with the writer's viewpoint

The purpose of incorporating well-researched evidence into the expository essay is to strengthen the credibility and support of the essay's ideas. By using evidence from credible sources, the author can provide factual information that enhances the understanding of the problem being discussed and the potential solutions proposed. This helps to validate the author's arguments and make the essay more persuasive to the audience. Additionally, well-researched evidence demonstrates that the author has taken the time to thoroughly research the topic and presents a well-informed perspective, increasing the overall credibility of the essay. Ultimately, the use of evidence from reputable sources adds depth and validity to the essay, making it more convincing and informative for the reader.