Good Riddles

Question: What holds the sun up in the sky?

Question: What is an astronaut's favorite key on the keyboard?

Question: What are prehistoric monsters called when they sleep?

Question: I have only one arm yet I can steal you blind. I keep my money in a safe place yet every time I lose it again just to gain it back. What am I?

Question: if you have a chicken that can lay only 5 eggs every 2 hours and you have to get 10 eggs to the market by 6:00 and the current time is 5:00, how do you get all 10 eggs to the market on time ?