Answer:
Michael Pollan is the author of the book called Omnivore. In the book he named four food chains which include Industrial, Big Organic, Pastoral, and Hunter-Gatherer.
These food chains have their advantages and disadvantages but the Big Organic is the best due to it being purely natural. It is usually without any form of additives which are synthesized artificially. It also helps in soil nutrients replenishments and subsequent increase in agricultural yield.