Answer:
My life can be measured in hours. I serve by being devoured. Thin, I am quick. Fat, I am slow. Wind is my foe.
A hole in a pole, though I fill a hole in white. I'm used more by the day, and less by the night.
A nut cracker up in a tree.
What has wings, but can not fly. Is enclosed, but can outside also lie. Can open itself up, or close itself away. Is the place of kings and queens and doggerel of every means. What is it upon which I stand? Which can lead us to different lands.
You throw me out when you want to use me and you take me in when you don't want to use me. Who am I?
How do you know if a sniper likes you?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?