Answer:
I fly when I'm born. I lie when I'm alive. I run when I'm dead. What am I?
A spirited jig I dance bright, banishing all but darkest night. Air can't kill me but water can. Share me, I won't get less unless wind ruins me. What am I?
Deep, deep, do they go. Spreading out as they go. Never needing any air. They are sometimes as fine as hair.
I don't live within a house nor do I live without. Most will use me when they come in and again when they go out.
My first is in some but not in all. My second is in tiny but not in tall. My third in little but no in big. My fourth in port but not in pig. My whole is made in nature's way. For clothing rugs used every day.
I go in hard, come out soft. Blow me hard and I'll make a pop. What am I?