It would be considered biotic since it is nonliving
        
                    
             
        
        
        
Answer:
enzyme activity be affected by a variety of factors such as temperature,pH, concentration
 
        
             
        
        
        
I think it's oxygen and water because they are the substance for cellular respiration.
        
             
        
        
        
Answer:
O Bioenergy does not release harmful greenhouse gasses.
Explanation:
Nuclear energy might not releases as much greenhouse gasses as fossil fuels do but it still releases some. Bioenergy produces energy by using 100% natural elements whereas nuclear energy does not.