Answer:
I am nothing but holes tied to holes, yet am strong as iron.
Only one color, but not one size. Stuck at the bottom, yet easily flies. Present in sun, but not in rain. Doing no harm, and feeling no pain.
Not a burden for its weight and daily carried out, He who takes it wishes it had never come about
What comes once in a minute, twice in a moment, but never in a thousand years?
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.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.