Answer:
I can generate fear and some say I come out of your ears. I am as quiet as a mouse but not welcomed in the house. What am I?
From house to house I go, sometimes narrow, sometimes wide. Whether there's rain or snow, I always stay outside. What am I?
What is easy to get into, but hard to get out of?
I help you carry your books.
I have keys but no locks. I have space but no room. You can enter but canβt go outside. What am I?
The more of me you take, the more I appear behind you. What am I?