Answer:
D) it tries to persuade by using reasoning that is not sound or logical
Explanation:
Fallacy can be defined as a mistaken or false belief that are based on illogical arguments or reasoning.
However, a lot of people might actually think it to be true but it isn't. There are various types of fallacy and these include; black or white, non sequitur, ad hominem, bandwagon, appeal to authority, straw man, oversimplification/hasty generalization.
Validity refer to the soundness of conclusions that can be drawn from an argument. It is a term used to refer to how precise and accurate an information or reasoning describes, estimate, and establishes the truth.
Hence, a fallacious reasoning ruin the validity of an argument because it tries to persuade by using reasoning that is not sound or logical.
For example;
I. For a great night's sleep, buy a mattress from Mattress Warehouse. Our unique brand of mattress is the only mattress that Donald King will buy for his home.
II. I had dysentery last night after eating meat pie, pizzas are the best and tastiest.