Long wars take more effect onto our economy. Supporting our troops across sea, getting them food, ammo and any other supplies. Long periods of time is going to take even more supplies. It is also keeping our men and women away longer giving them more chance of getting injured. 
        
             
        
        
        
I think the correct answer is
The last statement 
4) You do what you are supposed to do.
        
                    
             
        
        
        
Answer:
Europe is a continent......
 
        
                    
             
        
        
        
In this experiment that Kiara is conducting, the independent variable would be the room temperatures.
<h3>What is the independent variable?</h3>
This is the term that is used to refer to the explanatory variable that is used in a work of research. It is the variable that is being manipulated in a research work.
This is the variable that would be made to bring about changes in the variable of interest. Hence we would say that In this experiment that Kiara is conducting, the independent variable would be the room temperatures.
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