Answer:
A.
Explanation:
because the gravity will drop
 
        
             
        
        
        
Answer:
oxygen because 
Explanation:
because u  can survive 3 days with out it  and if u did not have oxygen u would suffocate
 
        
                    
             
        
        
        
Answer:
i am not really sure if you meant how manyhours or is it longeror shorter to make full orbit.
Explanation: