Answer:
What gets sharper the more you use it?
Against the sun I protect your eyes and am often worn on the face of spies
Crooked as a rainbow and slick as a plate, ten thousand horses can't pull me straight. What am I?
I've been argued on my color. Without me you'll die. So many attempts on your life use me so make sure you have many of my White friends.
Where do fish keep their money?
The answer I give is yes, but what I mean is no. What was the question?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic