Answer:
physichal is like ripping paper chemical change is like boiling an egg or burning a log or rusting nails the atoms and chemical strains change
Explanation:
 
        
             
        
        
        
Lubricants, Magnetic Levitation, Ball Bearing
        
             
        
        
        
Mutualism is where both animal help each other to benefit form each other. Win-Win . Commensalism is where nothing happen neither animal benefits from it .
        
             
        
        
        
Polymers are defined as large molecules assembled from smaller, individual molecules.
Answer: B)
        
                    
             
        
        
        
The answer is D.
The longer life expectancy
Hope this helps :)