Not trying to be a smart aleck but this is more of a question that you should do yourself because this is more of a essay type question. Introduce yourself and your side of the issues, then give a few reasons and explain them. At the end thank them for taking to time to read it and restate your side of the issue.
It could be ex peculated that after confronting the teacher, Marcus would back down because he might feel threaten. The teacher asked him if he knew that "Zero - tolerance mean" and that could be taken as a tense situation, he might have to options. To apologise to him or face the consequences within this "zero tolerance" atmosphere. <span />
“I, Alex am” because if it’s I, Adam “is” he wouldn’t be talking about himself
<span>The train moves along without pausing</span>