Answer:
What is round, has a twin, and sees more than most?
Green on the outside but red and black inside. I am food but mostly liquid. What am I?
It stands on one leg with its heart in its head. What is it?
A box without hinges, lock or key, yet golden treasure lies within. Who am I?
A toasty and crunchy cereal would be pointless without this spice.
Not born, but from a Mother's body drawn. I hang until half of me is gone. I sleep in a cave until I grow old. Then valued for my hardened gold.