Answer:
What goes up when rain comes down?
Proof you've done your time in school
Sitting down you have it, Standing up you don't.
You use it between your head and your toes, the more it works the thinner it grows. What is it?
What is this Mexican dish consisting of a tortilla rolled around a filling, typically of beans or ground or shredded beef?
As round as an apple. As deep as a cup. All the king's horses can't pull it up.