Diluting an acid decreases the concentration of H+(aq) ions , which increases the pH level of the solution towards 7 , making it less acidic . However , the pH level of an acidic solution cannot become greater than 7 , because the water you add to dilute it is not alkaline . 
 
        
             
        
        
        
Answer:
1 2 3 4 5 is the transition form 1 to 5
 
        
             
        
        
        
Hello, Saleemsafwah12. The answer would be A - It is younger than the rock layer below. This is because the deeper you go, the older the rock is, opposed to the top layer being the youngest of them all. I hope I helped!! Have a great day.
 
        
                    
             
        
        
        
The more advance the community the more complex the speciess
        
             
        
        
        
Answer:
zinc oxide is a pure substance