sand dunes
because it is and sand dunes get deposited
 
        
             
        
        
        
Answer is A. I kid chemistry a while back but I am pretty certain it is A. 
        
             
        
        
        
adenine (A) pairs with uracil (U); guanine (G) pairs with cytosine (C).
 
        
             
        
        
        
Explanation:
Introduction. The tendency to maintain a stable, relatively constant internal environment is called homeostasis. The body maintains homeostasis for many factors in addition to temperature. For instance, the concentration of various ions in your blood must be kept steady, along with pH and the concentration of glucose.
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