Answer:
It's like food but water kills it. What is it?
What can you put in a barrel to make it lighter?
It floats over the land, It cuts the tallest mountain, Its voice is like a fountain, Its body like a snake, Will flow into a lake.
It stands upright and can be quite grand. Its secret is not hidden but right at hand. What is it?
The more holes you cover the lower it goes.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.