D I believe it work hope this work
        
             
        
        
        
HALF.. This is a form of replication where two copies were produced each will contain one of the original strand and the other is a new copy. This happens because each nitrogenous base should pair with the complimentary partner, such as adenine with thymine and cytosine and guanine. DNA replication happens due to the action of enzymes. Each new strands will form an identical copy of the original DNA strand. There are various models proposed to explain how replication occurs. These are the conservative, semiconservative and dispersive.
        
             
        
        
        
Hello!
The parts of the central nervous system (CNS) include only the following:
Most of the other parts we associate with the nervous system are part of the PNS, or the peripheral nervous system. 
I hope I helped!
 
        
                    
             
        
        
        
Metamorphic. I looked up some rocks and I’m including the picture of it and it shows something similar to your picture and it says it’s a metamorphic rock.