What effect is achieved by using a series of questions in this speech?

What point is the author most likely making with the example september 11

12. why do you think that using a conversational tone with plain language when writing businesses messages is a good idea?

Which is the best example of manipulating an audience through media? a. playing sinister music while interviewing a celebrity b. criticizing a professional athlete without providing reasons c. starting a web form for a discussion about a new app d. filing a complaint against a company for its bad service