Answer:
It's an old writing system from ancient Mesopotamia.
Explanation:
If you check Wikipedia you'll see that cuneiform was a writing system from the sumerians. it comes from the Latin term that means wedge, which is kind of the tool they used back then to wedge shape clay pieces.
 
        
                    
             
        
        
        
Answer:
C
Explanation: 
Semiconservative replication means that strand will also be used. (Pretty sure)
 
        
             
        
        
        
Answer:
sharks are not cold blood killers because they don't kill for fun they kill because they are confused because when they see a human in the water swimming or splashing  so they might try to investigate but sharks have more to fear to us than we do to them
::) hope this helps