Answer:
What tree that definitely grows does not have a shadow and does not grow fruit?
A time when they're green. A time when they're brown. But both of these times, cause me to frown. But just in between, for a very short while. They're perfect and yellow. And cause me to smile.
What can be underwater, under fire, on fire and taking water all at the same time?
Describes universities like Harvard and can be poisonous.
What has to be broken before it can be used?
Why was the belt arrested?