The answer is "a<span>dverb clause"
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I would choose a. Simply because the author talks about it as if it's all that really ever existed and that nature cannot take over what it is not. However, it goes on about seeing how erosion and rot can affect such things and tries to compare it to things in nature as if it were nature itself.
<span>b) waged wars of conquest. This is because everything else is written in the past tense, so only choice b would work.
choice d is just a waste of words.</span>
Answer:
i believe the answer is c