It means to give credit to the author and source. It helps in an argument because when you're trying to prove a point, you have to have factual evidence that proves you're right.
Answer:
yes it is indeed the letter a
Answer:
1 : the quality or state of being nice. 2 : an elegant, delicate, or civilized feature enjoy the niceties of life. 3 : a fine point or distinction : subtlety the niceties of table manners.
Explanation:
