Answer:
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
What I am filled, I can point the way. When I am empty. Nothing moves me. I have two skins. One without and one within.
There is someone, and there is always another, for without the other, there wouldn't be one
I look at you, you look at me, I raise my right, you raise your left.
How do you know if a sniper likes you?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?