B.
Key word: slide
Think of sliding down a WATER slide.
        
             
        
        
        
Answer:
When the flea bit someone, the <u><em>plague bacteria</em></u> would get transferred to that person.
<em>Hope this helps.</em>
 
        
                    
             
        
        
        
Chloroplasts (they are only present in plants)
        
             
        
        
        
Answer:
D. Tap water out of a steel bottle
Explanation: