Answer:
Cold head and feet; round as a ball; always turning around myself.
Die without me, never thank me. Walk right through me, never feel me. Always watching, never speaking. Always lurking, never seen. What am I?
I am all around you, but you cannot see me. I have no throat, but you can hear me. Valued during summer but despised in the winter. What am I?
I'm written with two letters, said with one and seen with two. What am I?
I start with āeā end with āeā. I have whole countries inside me. What am I?
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?