Answer:
Because the people you have on that list already know that you need help and will help you they know the situation so they will help and you'll know who you can count on when they are added to that list
Explanation:
For safety it is important to consider the danger of aggressive animals like bears or wolves when planning an outdoor activity because an attack could be very fatal.
A measure of your cardiorespiratory endurance tells a fitness professional: Your aerobic fitness, or how efficiently your heart is working.
