Answer:
Looks like water, but it's heat. Sits on sand, lays on concrete. A play on the eyes, but it's all lies.
It is the electronic version of junk mail or a salty meat in a can.
It is worldwide, but once only a spider could weave one
What do you have when you're sitting down that you don't have when you're standing up?
What get wet while drying
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.