You are presented with the question "What makes food from CO and H 2? " and the following answer choices: 
- producers
 - carbon atoms
 - Most plants
 - production lines
 - light energy
 - trees
 - air pockets
 - Chlorophyll

Now knowing that producers make food from inorganic molecules and among the small inorganic molecules which are economically attractive are CO and H 2 , choose the best answer.


 

 producers        