Answer:
What is it you need help with though? I cant see them because of some odd reason. I would be glad to help but.
Explanation:
To make it easier for people to answer your question, you should separate the questions from the answers, because I can't understand where the choices are and what the questions are.
I believe its both but if I had to choose one I'd say
you should not chew gum in class because it's rude
Why:
It makes it look like your uninterested and not listening
If you have a cell phone yes, most students would use it for social media but it may also be used for school related topics.
Answer: The mood is warm and welcoming
