You are presented with the question "what does decomposing increase?" and the following answer choices: 
- fossils
 - Motility
 - prolactin release
 - oil
 - organic matter
 - aerobic capacity
 - Energy.
 - water

Now knowing that decomposition increases amount of organic matter in soil and organic matter is the byproduct of the decomposition, choose the best answer.


 

     organic matter    