Answer:
What kind of table has no legs?
What can stand in place of a country but still fold away in a drawer?
I hide but my head is outside.
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?
I always follow my brother but you cannot see me, only him. You cannot hear him but you can hear me. What are we?
The warmer I am the fresher I am.