Answer:
With a halo of water and a tongue of wood, stone as skin long I stood. What am I?
I am useless when together but useful when I am broken apart. What am I?
You throw away my outside you cook my inside. Then you eat my outside and you throw away my inside.
I am a word. I become longer when the third letter is removed. What am I?
My days are numbered.
Which popular cheese is made backwards?