Answer:
I never was, am always to be. No one ever saw me, nor ever will. And yet I am the confidence of all, To live and breath on this terrestrial ball.
I grow for a surface, even if you cut me. I continue to grow even after death.
What word starts with 'E', ends with 'E', but only has one letter? It is not the letter 'E'.
When set loose I fly away. Never so cursed as when I go astray.
Used on a diamond and left on a board. It's great for a gymnast his grip to restore. What is it?
You use it between your head and your toes, the more it works the thinner it grows.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?