I think the most important reason to reply on evidence in a discussion is for the evidence to support your opinion about something.
Ex:
Your having a disagreement with someone about a question. And you both have evidence that help support your opinion. Those reason help you think that, that's the answer
<h3>
<em>I Hoped That Helped. </em></h3><h3>
<em>I Hoped That Helped. Have a Good day!</em></h3>
Pollution could be a focus you could write about.
U should’ve put a picture
Formal.
As far as I know, there is no such thing as either standard or practiced diction. Informal is the way you communicate with your friends, for instance, which is not how you would write a thesis paper, legal document, etc.
Conflict is not one of the main five of a plot