Answer:
What kind of cheese is made backwards?
I am a pretty one, fluttering in the pale blue sky. Delicate, fragile on the wing, indeed I am a pretty thing. What am I?
I am always in front of you, but yet I am never here. What am I?
I direct you from outer space.
I cannot be burned in fire or drowned in water
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.