A. the mitochondria and chloroplasts are much different in structure than bacteria
        
             
        
        
        
Answer:
Apoptosis also plays a key role in human development. For instance, as we saw in the introduction, your hand started out as a paddle-like block of tissue when you were an embryo. The block was “carved” into fingers by apoptosis of the cells in between the developing fingers.
Explanation:
 
        
             
        
        
        
your answer would be c) iron deficiency
 
        
             
        
        
        
Not sure what the following is, but I think it could be less carbon in the soil 
        
                    
             
        
        
        
The answer is Vitamin C otherwise known as Ascorbic acid. It is naturally present in some foods, added to others and available in dietary supplement. Fruits and vegetables are the best sources of vitam C. Citrus fruits, tomatoes and tomato juice and potatoes are major contributors of vitamin C.