it's the one where he visits the land of the dead near the beginning
The organic materials most commonly used to improve soil conditions and fertility include farm yard manure (FYM), animal wastes, crop residues, urban organic wastes (either as such or composted), green manures, bio-gas spent slurry, microbial preparations, vermicompost and biodynamic preparations.
I would say A - The sentences are too choppy.
The correct answer is I, II, and III.
The first sentence support the thesis statement by using a metaphor: it compares a settler cleaning weeds from a corn field with men killing all types of life to comfortably settle in a land.
The second sentence expresses how men have devoted years and centuries developing and improving different types of weapons that would make them better killers.
And the third sentence shows that man has taken his desire for killing so far that he even wants to kill the microorganisms that live in their homes.