Answer:
B. you perform rehabilitation exercises
Explanation:
 
        
             
        
        
        
Aerobic exercise stimulates the heart rate and breathing rate to increase in a way that can be sustained for the exercise session. In contrast, anaerobic ("without oxygen") exercise is activity that causes you to be quickly out of breath, like sprinting or lifting a heavy weight.
 
        
             
        
        
        
The suffix ist means one who, that which.
        
             
        
        
        
Let's say you enjoy swimming. One day you decide to swim alone. But it's a risky idea because you could drown and no one would be there to help you in time. So it's best to have others around incase you have an accident or need help.
        
                    
             
        
        
        
both parties come to an agreement were they basically meet in the middle and both get a solution they can agree on