Answer:
1) any compressive force above 3,300 newtons is unsafe
Answer:
Dear penny,
i'm sorry for the inconvenience that the other girls put you into.Through this letter i will give you advice on what to do. The first thing you should do is to not let what they are doing get to you and to tell a teacher.Another thing you can do is tell them how you feel and if that doesn't work tell your parent to bring it up with the principal. what you should not do islet that get to you or say nothing about it. If you do that they will continue to bully you so its important you put a stop to it early.
Core workouts would benefit his heart the most, as core can be upper and lower parts of the stomach.
