Answer:
What can travel around the world while staying in a corner?
What building has the most stories?
I am taken from a mine and shut in a wooden case from which I am never released. Yet I am used by almost everybody. What am I?
Brown I am and much admired. Many horses have I tried. Tire a horse and worry a man, tell me this riddle if you can. What am I?
Take away my first letter and I still sound the same. Take away my last letter I still sound the same. Even take away my letter in the middle I will still sound the same. I am a five-letter word. What am I?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.