The answer to your question is D
        
             
        
        
        
Answer:
Best management practices (BMPs) are methods that have been determined to be the most effective and practical means of preventing or reducing non-point source pollution to help achieve water quality goals. BMPS include both measures to prevent pollution and measures to mitigate pollution
 
        
             
        
        
        
Answer:
to show the function of one organ in the digestive tract in isolation
 
        
             
        
        
        
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