I would go with B . 
Hope this helps yaa!
        
                    
             
        
        
        
Chernozem is the right answer
        
             
        
        
        
Answer:
C
Explanation:
The run-off will absorb the fertilizer and it will contanimate the lake 
 
        
             
        
        
        
Answer:
Chernozem is a very fertile soil that produces high agricultural yields and offers excellent agronomic conditions for the production of crops, especially cereals and oilseeds. It is rich in phosphoric acids, phosphorus and