The correct answer to "Nine out of ten Americans already file their taxes on the Internet. What are you waiting for?" is:
It is a type of Bandwagon fallacy.
The bandwagon fallacy is a fallacy based on the statement that the opinion of the majority is always valid, as if everybody does it, you should do it too.
Comes from latin<em> Argumentum ad populum </em>which literally means "appeal to the people".
<span>The correct answer is A. Adding images to illustrate how to do the various folds will be beneficial, particularly to beginners or people who have never made a paper airplane before. Images will help clear up confusion about folds where the descriptions are vague or unclear.</span>
Conventions are a way something is done.
You can take "in fact" out of the sentence to help with determine what type of sentence it is because it's a prepositional phrase. This leaves us with "Only a small percentage of Southern Africa is desert" which is a simple sentence.