Answer:
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?
It is a sound of empty, speak and it'll talk back plenty. But all the more you yack, you'll get the same words back.
Salty water everywhere but not sea in sight.
If eleven plus two equals one, what is nine plus five equal to?
It is the great nemesis of the lactose intolerant.
What is lighter than what it is made of?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?