Answer:
this is for number 6
Explanation:As the universe continues to expand, the gravitational force between the stars will decrease the farther apart they become.
 
        
             
        
        
        
Answer:
The control variable is the soldier. 
Explanation:
The same soldier is used throughout the test
 
        
             
        
        
        
The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per second), and in theory nothing can travel faster than light.
        
             
        
        
        
 <span>The first carbon dioxide is produced in between glycolysis and the Krebs/citric acid cycle. </span>