Answer:
I fill a room but take no space. What am I?
When you stop and look you can always see me. If you try to touch you cannot feel me. I cannot move but as you near me I will move away from you.
I am the thing that is used to make your weight. What am I?
I am expelled from you orally with a sound
I have three feet but I cannot walk. What am I?
What did the baby corn say to its mother?