Answer:
It's probably 50%
Explanation:
Since Bb is repeated twice, it is 50%. 
Hope this helps!
 
        
             
        
        
        
Do you have a picture of the question? 
If not the Darwinism is a theory of Biloxi all evolution developed by the English naturalist Charles Darwin and others stating that all species of organism arise and develop through the natural selection of small, inherited variations that increase the individual’s ability to compete, survive and reproduce
        
                    
             
        
        
        
Anatomical structure, possible diet, and reproduction evidence.
        
             
        
        
        
Explanation:
Ammonium hydroxide mostly acts as a reactant. Ammonium hydroxide is a colorless solution and exists only in solution form. It has a strong and pungent odor. It reacts with sulfuric acid and also many other strong acids. This reaction is exothermic which releases huge amount of heat or energy. 
Ammonia water when in contact with volatile compounds, forms fumes. Ammonium hydroxide dissolves copper and zinc. It produces ammonia and nitroxides when heated to decomposition. 
 
        
             
        
        
        
Answer:
The nucleus contains a cell's DNA.