Answer:
C, there is genetic variation within the population
Explanation:
 
        
             
        
        
        
I can say for certain that it's really probably not A. or D.
As for B. or C., I'd say C. 
        
                    
             
        
        
        
I believe the answer would be meiosis
        
                    
             
        
        
        
Answer:
Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorus
Explanation:
Proteins are mainly made up of amino acids. The basic structure of amino acids is that they have a carboxylic group, amino group and side chain. The carboxylic group is mainly Carbon, Hydrogen and Oxygen. The amino group is mainly Nitrogen and Hydrogen. The side chains are unique per amino acid having different elements including Phosphorus.