The light will not light up,
; the circuit is incomplete 
Also I consider this physics and electronics
        
             
        
        
        
Answer:
dew point
Explanation:
i looked it up but i could be wrong
 
        
                    
             
        
        
        
Answer:
Walking
Explanation:
A muscle cell usually contracts or expands simultaneously when one is working or doing some activities like running, exercises, house chores e.t.c
Muscles are flexible fibers that are very essential appendages for locomotion in human beings. 
For muscle cells to contract, they are pulled together thereby causing tension in the muscle. When they are relaxed, they move away from one another.