Answer: Independent Variable
Explanation: Already explained this one in another post.
 
        
                    
             
        
        
        
Answer:
intrinsic
Explanation:
Proteins are dynamic molecules that are capable of INTRINSIC motion that can have important functional relevance. The existence of this type of motion has suggested that enzymes are capable - even in the absence of substrate - of many of the same movements that can be detected during their catalytic cycle
 
        
             
        
        
        
The answer would be <span>B. Abiotic factors
</span><span><span>Hope this helps!!!</span>
</span>
        
             
        
        
        
I think its harmful, because its unhealthy for workers and its harmful to the environment and to the people. Its also a waste of water and it pollutes the air. 
hope that i helped and sorry if i was too late.