Answer:
What must you give before you can keep it?
What hatches without food?
There is one in every corner and two in every room.
Even if you throw it away, it still comes back.
Mountains will crumble and temples will fall, and no man can survive its endless call. What is it?
What language does a billboard speak?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?