The term duration refers to C. how long a workout or exercise lasts.
Explanation:
The definition of duration is "the time during which something continues." C is the only answer having to do with the time the workout continues at. 
        
             
        
        
        
A good way to find that out is to calculate the number to get an estimate. for example, about one in every 12 people has asthma. so take the population of new york, and divide it by 12 to get an estimate of a number of people in the state of new york that might have asthma. 
        
             
        
        
        
Answer:
They have good service and take care of you.
Explanation: I hope this is what u need
 
        
                    
             
        
        
        
I am not sure what you are trying to ask?
 
        
             
        
        
        
You have no obligation because its none of your buisness