It can affect our ecosystem in many ways, think about the animals. Where are they going to live? If trees, get demolished to create a hotel, or a gas station.
 
        
             
        
        
        
Answer:
yes
Explanation:
that is the answer I think so.
 
        
             
        
        
        
All of the are false lowest it can be without a human ear picking up is 19 hertz
 
        
                    
             
        
        
        
Because the dark box is blending in with the shadows, however the white box is bright and easier to see