Answer:
A dragons tooth in a mortals hand, I kill, I maim, I divide the land.
I make you weak at the worst of all times. I keep you safe, I keep you fine. I make your hands sweat. And your heart grow cold. I visit the weak, but seldom the bold.
At first I am a yellow weed in the lawn, and then the wind blows, and my white feathers are gone. What am I?
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
When you stop and look, you can always see me. If you try to touch, you cannot feel me. I cannot move, but as you near me, I will move away from you.
What has wheels and flies but is not an aircraft?