Answer:
I am perfect with a head perfect without a head; Perfect with a tail perfect without a tail; Perfect with either neither or both.
I hop around and deliver eggs at Easter.
Always in you, sometimes on you. If I surround you, I can kill you. What am I?
Cloud is my mother. Wind is my father. I come down but never go up. What am I?
I have an eye, but I can't see. I usually have to work with something in my eye. What am I?
The warmer I am the fresher I am.