I think it is C because A is missing commas, B doesn't need them and D doesn't need one.
Answer:
what did you read? I can maybe help you once I read it
This creates a desperate tone because he is talking about someone that he loved and is sad
Your answer would Be C, as all the others are just stating facts. Hope this helps!
Burning is a chemical process that involves a substance being broken down and changed into different substances so It is.
For the other question you can determine it by it’s reaction to the heat.