Hi! Can you please make your question clearer ?
        
             
        
        
        
Answer: I believe the answer is D because I know that you can't kill a eagle in the U.S. because it is a protected species. 
 
        
             
        
        
        
Which environment are you talking about? is there any answer choices
        
                    
             
        
        
        
<span>A person must inherit two copies of a defective CF gene -- one copy from each parent -- to have the disease. People who inherit only one copy are considered CF carriers and do not have the disease, but they can pass their copy of the defective gene on to their children.</span>