Hello
_________
The answer is A. Nitrous oxide.(laughing gas)
Hope this helps
        
                    
             
        
        
        
Answer:
I Don't know what that is sorry
Explanation:
 
        
             
        
        
        
<span>Wash your hands. Do it frequently and especially
after using the toilet, changing a diaper or petting an animal and
before handling or eating food. 
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