Answer:
What weaves webs as they grow?
What has a bell but isn't a church. Is full of air but is not a balloon?
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.
In the night a mountain, in the morning a meadow.
Which word contains 26 letters but only three syllables?
What is so fragile that saying its name breaks it?