All of these could be considered an "author's purpose". An author is technically anyone who writes anything, therefore the purpose of writing is theoretically limitless. If you have to choose one of these, however, it would be "to remind".
The best definition of an argumentative text is a text that supports a claim about a debatable topic using evidence as support.
<u>An argumentative text is a piece of writing in which the author presents a claim about a controversial topic and provides evidence to support it and, at the same time, to refute a counterclaim</u>. In other words, the author provides the reader with evidence such as statistics in order to present a counterargument as ineffective. Moreover, an argumentative essay is structured with an introduction, body paragraphs and a conclusion.
Answer: Anderson ?
Explanation: did I get it right :)
Answer: C) It is about a major landmark
You should definitely not type your whole email in all capitals!
Also, you should keep you message brief, this is true: people receive a lot of emails and prefer to read them fast.
I think that the first option is correct (a): Emails don't usually have headings in the text: this would make them too long.