Answer:
What is something you can give away as many times you want without ever losing it?
The more I appear The less you see. So riddle me this: What could I be?
Without this, H2O would just be 2O
Soldiers fight it but never changes.
In the middle of night, I surround the gong. In the middle of sight, I end the song
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?