Answer:
Lovely and round, I shine with pale light, grown in the darkness, a lady's delight.
Often held but never touched. Always wet but never rusts. Often bits but seldom bit. To use it well you must have wit.
They made me a mouth, but didn't give me breath. Water gives me life, but the sun brings me death.
A circle of stones, never in rows. Stacked one on the other, mystery it sows. What is it?
What is the only letter in the alphabet that does not appear anywhere on the periodic table of elements?
What did the piece of wood say when he saw the screwdriver and screws approaching?