Answer:
True: over time it will require more nicotine to deliver the same feelings.
Explanation:
when you get to a certain high the first time, that's the highest you'll be. you start to build a tolerance and need to intake more nicotine to get to that same feeling.
 
        
                    
             
        
        
        
B, because you can see when is the best time to work
        
                    
             
        
        
        
You need to put the picture