Answer:
I tremble at each breath of air and yet can heaviest burdens bear.
My head and tail both equal are my middle slender as a bee. Whether I stand on head or heel Is quite the same to you or me. But if my head should be cut off the matter's true though passing strange directly I to nothing change.
If you've got me I'm everywhere. If you share me I'm nowhere. What am I?
I am a precious stone as clear as diamond. Seek me out while the sun's near the horizon. Though you can walk on water with my power try to keep me and I'll vanish in an hour.
Born in the ocean and white as snow. When I fall back to water I disappear without a trace.
The answer I give is yes, but what I mean is no. What was the question?