Benefits, as a result of the BNM method, include a significant reduction in ambient air pollution, thereby reducing environmental and health impacts. A decreased use of coal leads to considerable cost savings, fires last longer and are ready for cooking much sooner.
You need to determine your response by determine
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.
I think Costuming is an art because you put the Costume together, with your own ideas, like when you paint, you put in your ideas into the painting and make it your own. I think it is the same way with Costuming.