The plot is about how middle schoolers evolve. The setting of the school shows the everyday life of the main middle schooler going through the struggles of being a preteen and the preparation for high school. (If this doesn’t help google the plot of the story and think about the setting and the the relation.)
The answer to the question is d
In the system of voluntary restriction, if one person takes more than his or her share, it will ruin the system for everyone
A subatomic particle with a positive charge is a proton
2. External
explanation: he was concerned with the people on the street, in the real world
3.Internal
explanation: his conflict was happening in his thoughts, in his mind