Answer:
I call the trees my home, yet I never go inside, and if I ever fall off the tree I will be surely be dead.
What has no hands but might knock on your door, and if it does you better open up?
What's that 7 letter word with thousands of letters in it?
What is used to yell in a text?
What has thousands of ribs and two backbones?
Before Google, we actually had to physically look things up in this building full of knowledge.