Answer:
Handy when you need to measure something or run a kingdom.
Lovely and round, I shine with pale light, Grown in the darkness, a ladyβs delight.
What two letters in the alphabet say goodbye?
I am neither a guest nor a trespasser in this place. I belong that belongs to me. Where is it?
What goes up and down but never moves?
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.