Your answer is hypothesis i think. There were no given answer choices so i went with what i think youre asking.
        
                    
             
        
        
        
I think the relationship is Commensalism ( relationship between two organisms in which one benefits and the other does not benefit nor is harmed ) because the bird benefits and the cow does not benefit nor is harmed. Hope this helped ☺
        
                    
             
        
        
        
The smallest bone in the body is the stapes and it is the third bone of the three ossicles in the middle ear.
 
        
                    
             
        
        
        
Answer:
There's not enough information to answer this. You need to provide the information on the people.
 
        
             
        
        
        
Well, the range is more limited. Let's say if you tried listening to Denver radio all the way in Texas, you wouldn't be able to listen to it.
Another one is that other electromagnetic waves with similar frequencies can interfere with each other