An eon is the most inclusive
        
             
        
        
        
 Animals obtain nitrogen by eating plants which has absorbed nitrogen from the soil.
        
                    
             
        
        
        
Answer:
soil erosion has been a major cause of soil degradation in north carolina for many years.
Explanation:
because sediment is the largest water pollutant by volume in north carolina. it affects water quality physically ,chemically,and biological.