Answer:
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it can neither see nor feel it. What is it?
It is a path of cow juice spread across the sky but cannot be seen by the naked eye
It happens when something has been cut with H2O.
When I'm born I fly. When I'm alive I lay. When I'm dead I run.
I cost no money to use, or conscious effort to take part of. And as far as you can see, there is nothing to me. But without me, you are dead.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.