B. more teens have unprotected sex when drinking alcohol
        
             
        
        
        
Answer:
D.Reversibility 
Explanation:
The effects of traning programs are reversible
 
        
             
        
        
        
The answer is e. Pregnancy because human chronic gonadotropin in the urine is only produced during pregnancy. 
        
             
        
        
        
<span> its a primary care </span>center<span> that is community-based and patient-directed </span>