The answer is (d.) choose only the visuals that are easily understood.
The main purpose of the visual aids is to help improve the understanding of the audience to the presentation. It clarifies and reinforce the key points of the topic. So it's important to choose the appropriate visual that could help the presentation easily understood.
Answer: The type of lightning would be the Rim Light because it creates a bright line around the edge of the object, to help visually separate the object from the background.
Answer:
you have a B flat and a E flat so circle the notes that lie up with the small lower case B's.
Explanation: