Answer:
D. Les loves company and doing favors for his friends. He never says no when they ask him for help, whether the task is large or small. That's one reason he has so many friends.
Explanation:
 Les is least likely to be experiencing stress. 
 
        
             
        
        
        
Mary's target heart rate is 103 beats per minute (bpm).
        
             
        
        
        
During inspiration, fresh air enters the respiratory system through the pared external nares (nostrils; shown here) and/or the oral cavity to the pharynx. Air then travels through the glottis into the trachea, through the bronchi and bronchioles to reach the alveoli.
        
             
        
        
        
Answer:
For one teens get addicted mostly through peer-pressure and two the brain becomes confused with whats wrong and whats right once you start and can't quit.