Answer: themes and variations.
Explanation:
 
        
             
        
        
        
Answer:
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Explanation:
Answer:
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Explanation:
Answer:
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Explanation:
Answer:
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Explanation:
Answer:
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Explanation:
Answer:
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Explanation:
Answer:
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Explanation:
 
        
                    
             
        
        
        
Answer:
He/She may be unable to operate the system without reading the documentation. He/She may get poor grades as a result of being unable to operate the system. He/She may get shouted at for not being able to operate the system.