Answer:
I am the only thing that place today before yesterday. (one word)
I walk on 4 legs in the morning 2 legs at noon and 3 legs at night.
I have three heads. Cut off one I become stronger. Cut off two I become ten.
A spirited jig I dance bright, banishing all but darkest night. Air can't kill me but water can. Share me, I won't get less unless wind ruins me. What am I?
Break me and I am better, immediately set and harder to be broken again. What am I?
What never gets any wetter no matter how hard it rains?