Answer:
The correct answer is D. The genes are coded to produce specific proteins, by the process of transcription and translation.
These proteins then, lead to the production of characteristic traits like eye color, hair color etc. 
So genes indirectly control the traits
Explanation:
 
        
                    
             
        
        
        
Don’t fall for the links love!
        
             
        
        
        
C.  Solar energy's whole purpose it to reduce pollution in the air that fossil feuls do not. The answer cannot be A. B. or D. because 1. it is expensive 2. it can only be used during the daytime. It is a SOLAR panel. and 3. like is said earlier it is not free.
 
        
                    
             
        
        
        
There are 2 of them :-
1) Phagocytes
2) Macrophages.
These WBCs attach themselves to disease causing pathogens & then engulf them resulting in the destruction of the pathogens. 
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Hope it helps!
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