Answer:
Manners and behavior has effects on a students life because it can change them for the better or for the worst.
Step-by-step explanation:
Manners and behavior has effects on a students life because it can change them for the better or for the worst. For example, if a student acts kind to others and is considerate and has many diffrent good traits, then people would like them for their kindness and good deeds. Another example is if a student is mean and selfish towards other people and have bad traits, then they will be avoided and isolated in loneliness, because nobody wants to be near them, in fear that they will be bullied.