Answer:
how many letters are there in the alphabet
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.
My thunder comes before the lightning. My lightning comes before the clouds. My rain dries all the land it touches.
With head without hair. With mouth without tooth.
It is an arctic double breasted formal wear.
Break me and I am better immediately set and harder to be broken again.