Ordering of Sentences
                    
                    
                                                            S1: Man has existed for about a million years. P: Science, as a dominant factor in determining the beliefs of educated men, has existed for about 300 years; as a source of economic technique, for about 150 years. Q: When we consider how recently it has risen to power, we find ourselves forced to believe that we are at the very beginning of its work in transforming human life. R: In this brief period it has proved itself an incredibly powerful revolutionary force. S: He has possessed writing for about 6,000 years, agriculture somewhat longer, but perhaps not much longer. S6: What its future effects will be is a matter of conjecture, but possibly a study of its effects hitherto may make the conjecture a little less hazardous. The Proper sequence should be:
                                    
                
                
            
            
            
            
                                                
                        
            
            
                        
            
                
                
                
            
                        
                        
            
            
                        
            
                
                
                
            
                        
                        
            
            
                        
            
                
                
                
            
                        
                        
            
            
                        
            
                
                
                
            
                        
                        
            
            
                        
            
                
                
                
            
                        
                     
        
     
            
            
            
         
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