Answer:
What asks but never answers?
A close relative of ketchup that people often spread on their dog.
Face with a tree, skin like the sea. A great beast I am. Yet vermin frightens me.
I'm a lion with a human head. Guess my Riddle or you'll be dead.
To you, rude would I never be, Though I flag my tongue for all to see.
You can always see it, but it's too far away to touch. Mountains rest on it, and at sea it surrounds you. What is it?