Answer:
People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?
I am a sharp looking horse with a flaxen tail. The longer I run the shorter my tail becomes.
I am the word that has three syllables and twenty six letters.
I am a shimmering field that reaches far. Yet I have no tracks and am crossed without paths. What am I?
I have memories but none of my own whatever's on my inside is what is shown. If I'm ever different it's because you changed me I feel like a decoration here for you to arrange me.
Give it food and it will live, give it water and it will die.