Answer:
What doesn't exist, but has a name?
What has a face and two hands but no arms or legs?
Why are there no living cats on Mars?
How do you tell a boy snowman apart from a girl snowman?
What is it that was given to you, belongs only to you. And yet your friends use it more than you do?
I am used for light yet I am solid. Without me you would feel enclosed. I hate being touched especially with a lot of force. I like to be in buildings.