Answer:
Where I am there is no south, west, nor east, and weather is not fit for man or beast. What am I?
My teeth are sharp my back is straight to cut things up it is my fate.
I bring light to a dark world. In a current I travel and through tunnels I am hurled. Touch me and I'll kill you. What am I?
What comes once in a year twice in a week but never in a day?
When I am alive, people sing. When I am dead, people clap hands. What am I?
No matter how little or how much you use me, you change me every month.