The silver coating on the inner bottle prevents heat transfer by radiation, and the vacuum between its double wall prevents heat moving by convection. The thinness of the glass walls stops heat entering or leaving the flask by conduction.
        
                    
             
        
        
        
Answer:
9.6
Explanation:
to convert km to miles multiply by 1.609
 
        
             
        
        
        
Answer:
B
Explanation:
 because kinetic energy is directly proportional to temperature so the hottor the object, the more kinetic energy.