Answer:
you are using your shoulder muscle. The reason you are using this muscle is when you put your arm strait up there is no reason to use a bicep or tricep muscle.
Explanation:
 
        
             
        
        
        
The hepatitis B and the human papillomavirus (HPV) vaccines are made this way. The vaccine is composed of a protein that resides on the surface of the virus. This strategy can be used when an immune response to one part of the virus (or bacteria) is responsible for protection against disease.Jun 28, 2016
  
 
        
             
        
        
        
So other scientists can try the exact same experiment and see if they both got the same results.
        
             
        
        
        
Answer:
i wish i knew but i dont sorry 
Explanation:
Man im sorry i dont know because i should now it but sorry
 
        
             
        
        
        
Answer:
d
Explanation:
organisms are made up of cells