Answer:
What has keys but no locks, Space but no room, You can enter but you canβt exit.
What do you have in December that you don't have in any other month?
What word is the same written forward, backward and upside down?
What is something you can give away as many times you want without ever losing it?
This became a fashion statement in the garden of Eden.
I am a cave full of bones and the house of a worm.