2 answers:
            
                    
              
              
                
                
Potential energy hope this helps
                                
             
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Answer: B)
The chemical composition of the cell walls of each in the two kingdoms varies. 
Explanation: Usatestprep
 
        
             
        
        
        
Hey i think the answer is A
        
             
        
        
        
Answer:
Polymers...........
Explanation:
 
        
             
        
        
        
Answer:
 rafflesia arnoldii is thw most largest flower. 
 
        
                    
             
        
        
        
A, An ancestor of whales had legs. Hope i helped! :D