Answer:
I have keys but no locks. I have space but no room. You can enter but can't go outside. What am I?
I am mother and father, but never give birth or nurse. I'm rarely still, but I never wander. What am I?
Used left or right I get to travel over cobblestone or gravel. Used up I vie for sweet success used down I cause men great duress.
As a state in the USA, I am round on both sides and high in the middle. What am I?
Tear me off and scratch my head, what once was red is black instead. What am I?
Which popular cheese is made backwards?
What am I?
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