Answer:
your answer is 21 hours, 36 minutes
Explanation:
Armstrong spent 21 hours, 36 minutes on the moon's surface. 
hope that helps
have a great rest of your day! ;)
 
        
             
        
        
        
Because the HIV virus takes time to multiply and get established. Person might have been infected, but it not show up in tests for some time.
        
                    
             
        
        
        
Wildly enough, may look back at the Cold War with fondness as it represented a time when the US knew who its enemies were. This is contrast to the state of warfare today where the US is fighting terrorist groups around the world. 
 
        
             
        
        
        
Yes because of the mountainous area which can be a great danger for ambush.