Some proactive measures that can reduce someone's risk of danger or assault could be maybe if the person who is trying to keep from danger stays off the streets or they make a group of friends. Then they have less of a chance of getting into violence or assualt (Even though no matter what it is very difficult to prevent violence because it can happen at any time)
Your answer would be B : resting heart rate The reason why this is your answer is because are body need the oxygen to keep your body flowing from not having a storke
Teacher, coach, childcare worker, and physical trainer