B is the best answer.
I hope this helps! :)
        
                    
             
        
        
        
Answer:
b)a pattern 
Explanation:
Because he saw the pattern of movement of Jupiter repeatedly
 
        
             
        
        
        
Earthquakes and Hurricanes!!! idk if i need to expalin it's self-explanatory(:
        
             
        
        
        
Japan is located east of both China and Korea