Answer:
What is this Mexican dish consisting of a tortilla rolled around a filling, typically of beans or ground or shredded beef?
Which weighs more? A pound of iron or a pound of feathers?
You can do this with your friends. You can do this with your nose. But don't do it with your friend's nose!
What get's more wet while it dries?
What hangs in the sky by day but at night goes away?
When is it bad luck to see a black cat?