Smog is an abiotic factor affecting a biotic factor(s).
This is because smog isn't a living organism so it is abiotic while humans are multicellular organisms so therefore, they are biotic factors.
Smog has a negative effect on many biotic factors.
 
        
             
        
        
        
In the biology lab, you have just finished a dissection, you should do all of the following EXCEPT Wrap your specimen in the original wrapping and give to your instructor to dispose of. Thank you for posting your answer here. I hope it helps. 
        
                    
             
        
        
        
Answer:
i thinks its b. 
Explanation:
hopes this helps!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
        
                    
             
        
        
        
All countries were kind of like a puzzle they all fit together.