If robert downey jr. were to deliver a speech about the future of medical care in the united states, his main task in the introduction of his speech would probably be to select one: a. define key terms b. preview the body c. reveal the topic d. establish credibility e. gain attention

Firefighters is a company that manufactures smoke detectors. it runs a newspaper advertisement that reminds people of the need to have a smoke detector on every floor of their house. in the advertisement, the company also asks people to think about this the next time they're in the smoke detector section of a hardware store. according to the information provided here, this is an example of