Answer:
One more than a duet.
Angels and pilots earn these.
What has feet on the inside but not on the outside?
Tear one off and scratch my head, what once was red is black instead!
A tiny bead, like fragile glass, strung along a cord of grass.
What never gets any wetter no matter how hard it rains?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?