What are the key elements of a good persuasive speech a. drafting and revision b. strong writing and a powerful delivery c. objective writing and unbiased research d. informal word choice and grammar?

The key elements of a good persuasive speech include strong writing and a powerful delivery, as these elements ensure that the message resonates with the audience and is communicated effectively. Additionally, drafting and revision are crucial for refining arguments and enhancing clarity. While objective writing and unbiased research are important for credibility, they are not typically emphasized in persuasive contexts, which often require a more passionate and subjective approach. Informal Word choice and grammar can detract from the overall professionalism and impact of the speech.