Here are the answers for your questions based on effective presentation and communication strategies:
Question 21: Focusing on your audience
Question 22: interesting and memorable.
Question 23: in the moment.
Question 24: All of the above (all options are clutter phrases).
Question 25: nerves
Question 26: consistently conversational and fluid.
Question 27: have a message point that is being brought to life.
Question 28: an excuse.
Question 29: communicating a message.
Question 30: resolution.
These answers reflect principles of effective communication and public speaking.