Answer:
I am partially baked. I am not completely lit. I am a portion of the moon. I am lesser than full wit. I am a divider of the hour. I am not a total lie. I am a sibling through one parent.
What is the center of gravity?
Power enough to smash ships and crush roofs. Yet it still must fear the sun.
Mountains will crumble and temples will fall, and no man can survive its endless call. What is it?
What is it that after you take away the whole, some still remains?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.