Good Riddles

Question: Pretend walls have their own civilization. Each wall is a different country with different culture. One wall has its own animal, one wall has its own nut, and one wall has its own street. What are the three things the walls own?

Question: Keys! keys! So many keys, When F is involved The key note is _ ?

Question: When people cut me, I do not bleed. They use me, but then they leave. I die, but then revive. I change my appearance as time goes by. What am I?

Question: When you are born, all you have is me. And even though you're powerless, you are filled with glee. What am I?

Question: You are trapped in a room. There are two doors. If you go in one door, a dragon is going to breath fire on you. If you go into the other door, there is a room made of magnifying glass. And the sun is reflecting off of it and will burn you. How do you escape?