Answer:
What has a big mouth, yet never speaks?
It cannot be seen, it weighs nothing, but when put into a barrel, it makes it lighter.
It's a game played by serious people that takes place on a global scale.
When I live I cry, If you don't kill me I'll die.
What is eaten but not grown and was born in water but will disappear if soaked?
What never gets any wetter no matter how hard it rains?