Answer:
It is the maximum amount of pain that one person can tolerate without dying.
Hey there! Your answer should be, a police officer, because they help stop fights, crime, shootings, and more, a firefighter, helps in fighting fires, saving people from burning homes, and you know the rest. And there is so many more people who help others. I really hope this helped! Your fellow Brainly user, GalaxyGamingKitty.
Just make sure you work out every night and try the same ones also eat healthy no breads or like fried foods