Answer:
Vaccines prevent diseases, its just proven. Most Anti Vaccers end up getting Measles, etc. But people with vaccines usually dont. 
Explanation:
we are living proof to be honest, i got the chicken pox vaccine and never had it once in my life. Same thing with many other diseases we get vaccinated for.    
 
        
             
        
        
        
Bases would CCAGAT. Hope this helps :)
        
             
        
        
        
The answer is C, sunlight
        
             
        
        
        
Liver contains a enzyme called catalase. When hydrogen peroxide (H2O2) is added to liver, a chemical reaction occurs which results in the production of oxygen gas (O2) and liquid water (H2O).
Hope I helped
        
             
        
        
        
I hope this somewhat helps you