Answer:
B.Hemogoblin
Explanation:
these are the cells cariesd by the molecule
 
        
                    
             
        
        
        
Yes, it is okay. you should never change your hypothesis if it was wrong.
        
             
        
        
        
Answer:
Masks and Vaccines (RNA vaccines but normal vaccines help as well)
Explanation:
Masks: As we can tell cities that have a mask mandate have lower corona numbers 
Vaccines: Vaccines give your body the antibodies that it needs to protect your body from infection without the virus. RNA vaccines are better than the normal vaccines because they are going to be produced faster than normal vaccines