Organ system is the answer according to me if it is one word question
        
                    
             
        
        
        
Answer:
where are the choices????
 
        
             
        
        
        
Answer:
Iron, Magnesium, and Nitrogen
 
        
             
        
        
        
Answer:
A. Deposition - sediment is set down in a new place
 
        
             
        
        
        
Answer:
Properly dispose of hazardous household items. ... 
Reduce or eliminate use of fertilizers and chemical herbicides and pesticides. ... 
Make an appointment to service your septic system. ... 
Landscape with native plants. ... 
Eliminate bare spots in your yard. ... 
Make a rain garden.
Explanation:
Does it work