How can you tell if an argument is sound?
a)it is valid and has true premises.
b)it has two premises and a conclusion.
c)it has valid reasoning.
d)it has effective rhetoric.

Need some on this. which answer is it?

Read the excerpt from “take the tortillas out of your poetry.” i do not believe we should have to leave out the crucial elements of our language and culture to contribute to american literature, but, unfortunately, this is a conclusion i am forced to reach. i have been writing for a quarter century, and have been a published author for eighteen years. as a writer, i was part of the chicano movement which created a new literature in this country. which type of rhetoric is used most in the excerpt to convince readers that anaya’s conclusion is accurate? an appeal based on emotion an appeal based on logic an appeal based on the author’s character an appeal based on the author’s feelings

According to the article why is salmon is pink