Which element relies on logic, credibility, and emotion?

You are talking about rhetorical devices here. Speeches have these rhetorical devices to make them sound and valid. Appeal to logic is using facts and research to show why your arguments are good, appeal to credibility is showing why people should trust you when you speak, and appeal to emotion is appealing to other humans to understand the problem on an emotional level.

If two person had given your answer then there is a option of mark as brainliest. click there in the option of mark as brainliest in which you like the answer most. if any one person has given answer then after some days you will a notification to mark his/her answer as brainliest.