Answer:
What can you throw but not catch?
What starts with a 'T', ends with a 'T', and has T in it?
Covered in stone and sun. It's home to many but also none. What is it?
Don't do this in the shallow end.
It is greater than God and more evil than the devil. The poor have it, the rich need it, and if you eat it you'll die.
What is always coming but never arrives?