Answer:
It is too dirty to clean
Step-by-step explanation:2.5% of the earth's fresh water is unavailable: locked up in glaciers, polar ice caps, atmosphere, and soil; highly polluted; or lies too far under the earth's surface to be extracted at an affordable cost
 
        
                    
             
        
        
        
Answer:
B 
Step-by-step explanation:
I only remember the answer but here ya go! :)
 
        
                    
             
        
        
        
Y is equal to 54. (B)
A triangle has a total degree of 180. Given that two of the angles are the same and the last angle is 72 degrees, you can subtract 72 from 180 to get 108. From there, You can divide 108 by 2 (because there are two equal parts) to get 54.
        
             
        
        
        
Answer: The coefficient of the 6/7xy is 6/7.