Answer: Remember that velocity includes the speed and direction of an object. Therefore, a change in velocity can be either a change in how fast something is moving or a change in the direction it is moving. occur all around you as objects speed up,slow down, or change direction.
Explanation:
 
        
             
        
        
        
c. food production is the answer  
 
        
                    
             
        
        
        
Well for starters that is not DNA it is RNA so it has already been transcribed, so your answer should be replication.
        
             
        
        
        
Answer:
The answer is Paleozoic Era
 
        
                    
             
        
        
        
two things I don't see the options 
and 
I would say build a wall