Answer:
B. Free-radical theory
Explanation:
The free radical theory statutes that <em>ageing is the result of the accumulation of the damage to cells and tissues caused by reactive oxygen species</em> as a result of aerobic metabolism.
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<span>The theme of the poem from Edgar Allan Poes' "To One in Paradise" in the third stanza reveals that there are losses from which people do not fully recover. It presents the audience about how the narrator feels that his life is nothing without his loved one and that no matter what he did in order to forget the pain, he just could not forget her.</span>
Indigenous languages:
Australian Aboriginal languages, Tasmanian languages, Torres Strait Island languages