A. genetically identical 2n somatic cells
        
             
        
        
        
the air and all the gasses
 
        
                    
             
        
        
        
Answer:
The answer is D) It will allow scientists to make personalized medicine.
Explanation:
I used the context of the article where they stated "So for years, scientists have been trying to use cloning techniques to make embryonic stem cells that are essentially a genetic match for patients. The idea is that such a close match would prevent their bodies from rejecting the cells."
 
        
             
        
        
        
Divergent boundary because the plates are moving away from each other