The main idea is found by looking at the general idea of the text you are reading, what is it about? What does it mention?
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.
Answer:
Arjun said that he was walking along the street .
D. gerund phrase as a direct object
Gerund is one of three kinds of verbals. Like all verbals, gerunds are nouns derived from verbs. Gerunds end in -ing. In the sentence, "leading" is the gerund. This gerund phrase is used as the direct object.