The mountain lion population will decrease.
        
                    
             
        
        
        
<em>The Jan. 21</em> total lunar eclipse will be the last one until May 2021, and the last one visible from the United States until 2022; the most recent total lunar eclipse previous to this one appeared in July 2018.
 
        
                    
             
        
        
        
Answer : Low;High
You use high power for a more detailed view on what you are looking at and you use the low power for a general view.