Option D centrioles helps cells to divide.
        
             
        
        
        
Answer one is D 
Answer two is B 
Answer three is C 
If I’m wrong tell me
        
             
        
        
        
B. mitochondria and nucleus
        
             
        
        
        
Answer:
Bottom line: The planets in our solar system orbit (revolve) around the sun, and the sun orbits (revolves) around the center of the Milky Way galaxy. We take about 225-250 million years to revolve once around the galaxy's center. This length of time is called a cosmic year.
Explanation: