Nitrification. The conversion of ammonium to nitrate is performed primarily by soil-living bacteria and other nitrifying bacteria. In the primary stage of nitrification, the oxidation of ammonium ( NH+4) is performed by bacteria such as the Nitrosomonas species, which converts ammonia to nitrites ( NO−2).
        
                    
             
        
        
        
B 5 years it takes 5 years before symptoms to appear
        
             
        
        
        
It is the metric unit of measurement for temperature.
        
             
        
        
        
I believe rottening would be the answer. Rotting, dead plants and animal feaces make great fertilizers. 
        
             
        
        
        
Answer: a worm ahaha thanks for the points dummy
Explanation: