Answer:
Why do we drive on parkways and park on driveways?
Organic matter could mean a lot of things. When we stick to the scientific definition, there are compounds that contain the elements hydrocarbons. Most of these compounds are found in living things. However, when used in this example, organic matter is used to feed living things. Thus, this means that organic matter means food.
That is a chemical change if your talking about gases
Characterized by or based on the inference of particular instances from general law
The answer is eather training or proceders manual