I think the answer is B. But don’t trust my answer.
        
                    
             
        
        
        
Answer:
Somatic cells use mitosis 
Explanation:
somatic cells are body cells or skin cells
 
        
             
        
        
        
Bacteria that change nitrogen gas from the atmosphere into solid nitrogen usable by plants are called nitrogen-fixing bacteria. These bacteria are found both in the soil and in symbiotic relationships with plants.
        
             
        
        
        
The answer is light dependent
        
                    
             
        
        
        
Answer:
open cluster
Explanation:
As the name suggests, an open cluster is a star cluster that is loose and disorganized.