A eukaryotic cell is classified this way if it B. contains a nucleus. In biology the definition of eukaryotic is "having a true nucleus" which is how to depict a prokaryotic cell from a eukaryotic cell.
I don’t know why they make everyone type more than 20 characters but B sounds like the most reasonable answer.
1 is b or 1/4 (I'd recommend checking a punnet square too)
<span>Floods are the country's number one natural disaster.</span>