Answer:
This seems to be more of an opinionated question, but I'll help out.
Good advice is advice anybody can apply to their own issues in life. (you should insert your own example of good advice though, not sure about that one)
C. The characters reach a decision
Formal language I believe that is the right language
The chemicals had caused the eruption of smoke that filled the air. (Not sure if this is 100%)
Answer:
D
Explanation:
The outline is like the previous sketch of your writing, so it's necessary to have written a good outline in order to have clearly in mind which ideas are going to be included and how.