D. Prophase1 because this has to happen first so the rest of the stages can continue with their own events 
        
             
        
        
        
Lack of vitamin D has been linked to increased risk for autoimmune diseases.
Hope that helped you.
        
             
        
        
        
The gravity from the moon and some from the sun brings the tides up, because the moon's gravitational force is strong enough to pull some water up.