The answer is: [C]: pure sociology .
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Note: "Pure sociology" is also known as "basis sociology".
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The answer is narcotic. It is any of a class of substances that limit the faculties, as opium, morphine, belladonna, and liquor, that in expansive amounts deliver elation, trance, or trance state, that when utilized continually can bring about habituation or enslavement, and that are utilized as a part of medication to alleviate torment, cause sedation, and instigate rest.
I think you are looking for the answer of: digestion.
Hope this helps! <3
<span>A physiological or psychological dependence on a substance or activity</span>
