Answer:
What can be seen but not touched?
Deep, deep, do they go. Spreading out as they go. Never needing any air. They are sometimes as fine as hair
What was the first man made invention that could see through a wall?
You are on an electric train. Which direction will the smoke fly in?
Brothers and sisters I have none but this man's father is my father's son. Who is the man?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.