Answer:
What is used by man, tossed by trees, everywhere but unseen?
Each morning I appear to lie at your feet, all day I follow no matter how fast you run. Yet I nearly perish in the midday sun.
A tangly game and a destructive weather phenomenon.
Dry though I may be, I am still a sea.
What has ten letters and starts with gas?
It is something you will never see again.