I think the correct answer from the choices listed above is option B. A eukaryotic cell possesses the characteristic of compartmentalization of organelles, wherein the organelles are bound by membranes. This type of cell has a true membrane-bound nucleus and has other membranous organelles.
I go with Ice Core examples since early sociteties probably didn't have Written Records or maps, and tree rings would only tell if they were fossilized. I hope this helped :)
