Which would most likely result in a long-term injury?
jumping off wall
swimming in designated areas
playing in a controlled environment
wearing a new helmet when bicycle riding

well when looking at this if you think about it   negativley and positivley   react with each other and when the first layer gets full they add layers it starts with 2 on the first layer and it constantly goes on until the official number is there

c. the percentage of essential body fat is the same for both males and females.