Answer:
a)  , b)
, b)  , c)
, c) 
Explanation:
a) The net flux through the cube is:


b) The flux through the right face is:


c) The flux through the left face is:


 
        
                    
             
        
        
        
Answer:
elements in the same periodic table group have the same valence electrons
 
        
             
        
        
        
Answer:
His average speed is 980 units 
 
        
             
        
        
        
Answer:
The answer is A. C and O..
 
        
                    
             
        
        
        
Answer:
It changes into a completely different element