Answer:
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
Lives without a body, hears without ears, speaks without a mouth, to which the air alone gives birth. What is it?
I'm a type of pizza that is folded in half before cooking to contain a filling
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
A harvest sown and reaped on the same day in an unplowed field. Which increases without growing, remains whole though it is eaten within and without. Is useless and yet the staple of nations.
When is it bad luck to see a black cat?