Here are the answers to your questions:
Question 1: In what step of the speech planning process do you make adaptations based on feedback?
Answer: revise
Question 2: Which of these is a complete sentence summarizing the goal of your speech?
Answer: specific purpose statement
Question 3: A belief is a conviction about what is true or untrue.
Answer: True
Question 4: The process of identifying important characteristics about your listeners and using this information to prepare your speech is called
Answer: audience analysis.
Question 5: In which step of the speech preparation process do you practice your presentation?
Answer: rehearse
Let me know if you need any more assistance!