Answer:
Mountains will crumble and temples will fall, and no man can survive its endless call. What is it?
Who plays when he works and works when he plays?
Sitting down you have it, Standing up you don't.
What has ten letters and starts with gas?
They come in many varieties: Red, Black, Dead, and Caspian to name a few.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.