Answer: Avoiding the use of fossil fuels
Explanation:
There are four principles of Organic Farming which are as follows :-
1. Such farming should sustain and enhance the health of soil, plants, animals as well as of humans.
2. Such farming should be based on the living ecological systems and cycles and help sustain them.
3. Thus kind of farming is build on relationships that ensure fairness with regard to common environment and life processes.
4. Such farming should be managed in a precautionary and responsible manner to protect the health and well being of current and future generations.
Hence the correct option is A .