The double helix unwinds and each strand forms a template for a new strand — I’m pretty sure!
        
             
        
        
        
Answer: A
Explanation: gravitation keeps moon in circular orbit.
Without gravitational force Moon would move in
Linear path.
 
        
             
        
        
        
I believe the answer for this would be B. Just using the process of elimination knocks out D and A, and plants make carbs not protein during photosynthesis :)