Hi! 
Your answer is Carbonic acid wearing away the minerals in a rock. 
Hope this helps!
~CoCo
 
        
             
        
        
        
B is the correct answer because it provide or throughout the photonics for the dark reaction
        
             
        
        
        
The answer will obviously be letter A
        
                    
             
        
        
        
Answer:
The correct answer is - c. CALM II psi3 (36 million years old)
Explanation:
 
        
             
        
        
        
 <u>Neptune</u> takes the longest amount of time to complete its orbit.