Answer:
1 ans = talking back to parents is bad because parents are the person who provides us all the things that we want and also do so much hardwork to fulfill it , and parents always thinks good about us they never wanted to make their children bad .
2 = Disobeying teacher is bad because teacher are those who make our future , and if we Disobey to that person who makes our future it's totally wrong
3 = Helping a friend is good because friends are the person who always helps us in our problems and if they help us in our needs than it's our also responsibility to help them