Answer:
I am easy to waste and unstoppable. What am I?
With a halo of water and a tongue of wood, stone as skin long I stood. What am I?
I hold two people together but touch only one.
I have roots nobody sees. I am taller than trees. Up, up I go but I never grow. What am I?
I go around in circles, but always straight ahead, never complain, no matter where I am led.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.