What Am I Riddles

Question: I only come out when I see lights My colour is opposite of white Mostly, you don’t realize that I’m with you If you leave me, I’ll keep follow you I’ll always copy whatever you do You can’t touch me and I can’t touch you What am I?

Question: I'm not dead i'm not alive, i'm not underground i'm high up in the sky, people speak of me but never saw me. Who am i?

Question: At first I'm in pieces, but you build me and I carry you, at night when your tired or sleepy or even drunk, what am I?

Question: Some people peel my skin some people don't, you eat me nevertheless, with or without, what am I?

Question: I am in everything and in nothing, what am I?