I do think it is C because it will always stay the same "Fixed"
A. Memoir is a writing describing a memorable or pivotal event in a writers life
It really depends on the situation, the kind of relationship, and the person. are you happy in your relationship? or do you feel like being with this person is exhausting you? if someone came up to you and gave you a chance to leave, would you feel relief to be leaving the person? so yeah, it just depends on how much you want to be with them
Cells yes. for the most part molecules = no and atoms, definately not.
In my opinion, it is logos. I think that the sentence is LOGICAL.