Molecules are formed. 
This question belongs in chemistry. 
        
             
        
        
        
Carbon is the basic building block to most cells in the body. 
It helps with cellular respiration where your body releases energy stored in glucose and the glucose compound is full of carbon, hydrogen, and oxygen. 
Carbon makes up 18% of the human body. 
Sugars in the body like glucose hold carbon elements.
 
        
             
        
        
        
B. Healthier ecosystems. If you're talking about benefits, this is the only positive on this list. The others are listing the difficulties or downsides.
        
             
        
        
        
The cochlea is responsible for sound transduction.