Nonrestrictive because the sentence you "My brother who lives in Hawaii is a surfer" is not restrictive but the answer to your question is = Nonrestrictive.
Answer:
When was the last time you set aside a few hours to help someone else? C
Explanation:
The answer is D. You always want to make eye contact with your audience, you want to make sure your voice is loud enough for everyone to hear clearly and also have different pitches in your voice because you don’t want to sound monotoned and lastly, you always want to avoid distracting movement. This means not moving ur hands or body a lot but at the same time, you want to use ur hands for expressions and emotions in your speech, just don’t overdo it.