C scientific law is something that's always going to be true
        
             
        
        
        
Answer:
28 day orbit around Earth.
Explanation:
This is called the Lunar phase. The lunar phase or phase of the Moon is the shape of the directly sunlit portion of the Moon as viewed from Earth.
 
        
             
        
        
        
<em>DNA</em><em> </em>is what carries the genetic code for living organisms it contained in the nucleus of cells. 
Hope that helps :)