Two ways of enforcing safety in the home are : Getting a carbon - monoxide detector and smoke alarms! Hope this helps!
        
                    
             
        
        
        
Bc most men are too embarrassed to let people know they have it or go to the doctors to treat it
        
             
        
        
        
3 Positive reinforcement is most effective when it occurs immediately after the behavior. Reinforcement should be presented enthusiastically and should occur frequently. Deliver reinforcement quickly: A shorter time between a behavior and positive reinforcement makes a stronger connection between the two
        
                    
             
        
        
        
Answer: D) All of the above
It is all of the above because a lot of teens go through things and it could be any of the following they are all similar.
 
        
                    
             
        
        
        
<u><em>Digestive</em></u> is a system prepares food for absorption into the bloodstream.So the answer for your question is Digestive.
Hope this helps:)