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.
True that is very true....
the first answer choice is correct.
Goya painted with loose, frenzied brushstrokes to enhance the urgency and chaos of an image.
Gray because the neutral colours are black, white and gray.
