Answer:
Arguments need evidence because evidence is the concrete fact to support your claim without it your argument is just an opinion and nobody will take it serious if it is not supported with evidence then your audience will not support your claim.
Explanation:
I'm not quite sure how you want me to answer this but here...
'My three classes, biology, English, and reading are very hard but they are not as difficult as math.'
You do not capitalize classes unless it is a language or it as a number behind it (ex. Algebra 1.).
1. When you're getting supported by others.
2. When you helped someone who's always reminding you and thanking you for what you did.
3. When you make someone feel better more than any time.
4. When making something that no one could've ever done.
5. When you act a type of kindness to people who are in need.
<em>hope it helps...</em>