Answer:
My teeth are sharp, my back is straight, to cut things up it is my fate.
Find an English word that uses all of the following letters: PNLLEEEESSSSS
You use it between your head and your toes, the more it works the thinner it grows.
I'm a type of pizza that is folded in half before cooking to contain a filling
I build up castles. I tear down mountains. I make some men blind. I help others to see.
What covers its face with its hands, speaks no language, yet most known what it's saying?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?