Answer:
It's a source of water flowing into another larger area of water
Explanation:
 
        
             
        
        
        
The answer is "Who".
I hope this helps! :)
        
                    
             
        
        
        
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</span><span>Georg Steinhauser was a scientist who wanted to know what the lint in out bellybutton really was. Well he found out. He also found out how it got there. Cotton, dead skin, sweat, dust, and fat makes up our lint. But our lint has a purpose also! It protects us from germs and unwanted objects from finding a home in our bellybutton.</span>
        
             
        
        
        
a thing that  motivate or encourage one to do something
 
        
                    
             
        
        
        
Answer:
simple it's fresh please follow me and mark the answer brainliest