Answer:
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.
Everyone has it and no one can lose it, what is it?
The strangest creature you'll ever find has two eyes in front and a hundred behind.
Thousands of these come together to make a digital image. What is it?
A house of wood in a hidden place. Built without nails or glue. High above the earthen ground. It holds pale gems of blue.
What do angels sing in the shower?