Answer:
What can be swallowed, but can swallow you?
Each morning I appear to lie at your feet, all day I follow no matter how fast you run. Yet I nearly perish in the midday sun.
What has a mouth but can't chew?
My thunder comes before the lightning. My lightning comes before the clouds. My rain dries all the land it touches.
When the son of the water returns to the parent, it dies. What is it?
What language does a billboard speak?