Answer:
Who eats a lot of iron without getting sick?
It is the assumed nocturnal symbol of Mr. Wayne. What is it?
What goes up but never comes down?
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?