Answer:
I come without being fetched at night, hide away as soon as daylight strikes. Although I may look small, I am much mightier than what you can imagine. What am I?
What do you get when you cross a pig with a karate expert?
I widen my jaws when you poke two fingers in me. I especially like to devour papers
You heard me before and then again. Afterward I die, until you call me again. What am I?
The more you have of it the less you see. What is it?
What never gets any wetter no matter how hard it rains?