Answer:
How does methane gas affect the environment?
If methane leaks into the air before being used — from a leaky pipe, for instance — it absorbs the sun's heat, warming the atmosphere. For this reason, it's considered a greenhouse gas, like carbon dioxide.
Explanation:
 
        
             
        
        
        
C. carbon 
sodium is an
oxygen is o
cl is chlorine
        
             
        
        
        
Carbonic acid is produced when a strong acid reacts with the bicarbonate buffer system in the human body.
        
                    
             
        
        
        
Alkynes are hydrocarbons with at least one triple covalent bond.