Answer:
What is an astronaut's favorite snack?
I have many letters, And though it's strange to say, I stay the same no matter how many I give away.
It increases and decreases yet no one see it. It is not a fire and yet it can be quenched.
What has a head, tail, large feet, a pocket and is named Joey?
Mother and Father have children but their not you brother or sister
Often cooked as fillet, this meat comes from an animal that swims underwater.