The <u>concentration</u> of a solution is the measure of how much solute is dissolved in a given quantity of solvent.
Poor social and economic circumstances affect health throughout life. ... Such psychosocial risks accumulate during life and increase the chances of poor mental health and premature death. Long periods of anxiety and insecurity and the lack of supportive friendships are damaging in whatever area of life they arise.
Answer:
By using S>T>O>P you should first remind your friend how it's not safe to and if they call you a coward just tell them the accidents and how it will affect them and they may regret they're life decisions based on what they are going to do.
Explanation:
As you know doing such stuff may be unsafe and may effect your body by hurting or injurying yourself so tell your friends about how they shouldnt do it without parental supervision of any sort and make sure she wears saftey gears if she plans on actually doing it.