Answer: Hydrocarbons
Explanation:
hope this helps! -thelonelyastronaut
 
        
             
        
        
        
The web energy gain in fermentation is 2 ATP molecules<span>/glucose molecule. In both lactic acid and alcoholic fermentation, all the NADH produced in glycolysis is consumed in fermentation, so there is no web NADH production, 
I hope this helped[;</span>
        
             
        
        
        
There are different types of biomes but,here`s my example
https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwjBhKrevPjeAhXym-AKHZrCCFsQjRx6BAgBEAU&url=https%3A%2F%2Fkidsbiology.com%2Fbiology-basics%2Fpolar-ice-biome%2F&psig=AOvVaw0ggrhmzAXQiH3vAVGusTXb&ust=1543542147595612