There are no pics of it so edit ti and add the pics then ill have to put the answer in the comments
For number 1 the answer is c (dissonant). And for number 2 the answer is a (the piece had a different melody for each verse.
Answer:
Yes. American cuisine, in my opinion, is the most popular cuisine in the entire world. There are so many restaurants and chefs that are all from America and had made american cuisine familiar with the world. Restaurant such as T.G.I Fridays or Texas Roadhouse are popular ones that are all over the world which, indeed have american cuisine, and even fast food places such as Mcdonalds or KFC have all originated from the US.
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.