I believe the best answer is C.
        
                    
             
        
        
        
Answer:
 An atom's electronegativity gets higher as you move up in the periodic table. Thus, the atoms in the top right have the highest electronegativities and the atoms in the bottom left have the lowest ones.
 
        
             
        
        
        
Answer:
Promoter Strength
Explanation:
 More than increasing mRNA stability, the promoter strength can be tuned to increase the gene expression by producing more quantities of the mRNA. The strength is based on efficient promoter recognition and rapid binding of the DNA polymerase.
hope it helps : )
 
        
                    
             
        
        
        
Developing a coelom made nutrients more easily absorbed by roundworms. A coelom is a fluid filled cavity developed in the mesoderm and it is the main body of a roundworm. It contains the digestive tract and many other organs. 
        
                    
             
        
        
        
Growth is a characteristic <span>of all living things and involves an increase in the amount of living material in an organism</span>