Answer:
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?
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.
Without this, eating food and Steven Spielberg's career would be very different.
Used on a diamond and left on a board. It's great for a gymnast his grip to restore. What is it?
As soft as silk, as white as milk, as bitter as gall, a thick green wall, and a green coat covers me all.
I go in hard, come out soft. Blow me hard and I'll make a pop. What am I?