A cave, from the water slowly cracking and chipping away at the rock it seeps down into, creating freshwater, but also, slowly creating a cave.
        
             
        
        
        
Explanation:
Please post a picture of the question, since there is no way to match anything without more information. :)
 
        
                    
             
        
        
        
Answer:
the answer is the ureters
Explanation:
 
        
             
        
        
        
<span>When an overwhelming body of observations and measurements supports a scientific hypothesis or group of related hypotheses, it becomes a scientific theory. A scientific theory is defined as an explanation of an facet of the natural world that one can test repeatedly using defined protocols of observation and experimentation.</span>
        
             
        
        
        
Answer:
lytic 
Explanation:
The lytic cycle involves the reproduction of viruses using a host cell to manufacture more viruses; the viruses then burst out of the cell