Answer:
My teeth are sharp, my back is straight, to cut things up it is my fate.
I pass before the sun, but make no shadow.
It regulates our daily movements, but it feels no interest in our lives. It directs us when to come and go, but does not care if we pay attention. What is it?
Never alive but practically extinct. How we miss the letters pressing the ribbon of ink. What is it?
I have two hands but cannot clap
Which popular cheese is made backwards?