Some examples would be slate, phyllite, and gneiss.
        
                    
             
        
        
        
Answer:
B. Non living components of an ecosystem
 
        
                    
             
        
        
        
Answer:
has commercial uses
Explanation:
only  anaerobic  respiration. has commercial uses some exples would be the making of alcohol  and yogurt 
 
        
             
        
        
        
C. The exact amount of nonrenewable energy resources is not currently known. 
        
                    
             
        
        
        
El Nino. It replaces the normally cool water with warm water from the west.