Answer:  
a bar that slides to lock something
Explanation:
They are told to close something most likely a window and when you close something you usually must lock it
 
        
             
        
        
        
Answer:
The significance of this statement is that you need to reflect on who your friends are and if you could really consider them as your friend. You need to evaluate if they value you as a friend and that they will always be there to celebrate in the good times and provide support in the bad times. 
Explanation:
 
        
             
        
        
        
I don't know but a long essay or dissertation is involving personal research, written by a candidate for a college degree.
 
        
                    
             
        
        
        
Zeus and odyssey are 2 god in homeric epics