For the most part it’s how mature you are at that age... or if can be caused be gene’s or hormones
B, because having high resistance builds your endurance and makes it stronger. Having low resistance isnt effective enough so cross those out, and high resistance with high steps is too much and can lead to damage
The answer would be A, behavior. In terms of good physical health, we can control our behavior by practicing a healthy lifestyle.
People of both genders can be healthy so gender is eliminated. People can practice good health in almost any environment so that choice is eliminated. The last choice is eliminated because positive measures towards physical health can be made by all people regardless of genetics.
Hope this helps! :)
