Answer:
The more you add the less it weighs. What is it?
I go up and down at the same time. Up towards to sky and down towards the ground
I am orange and sound like a parrot.
Crooked as a rainbow and slick as a plate ten thousand horses can't pull me straight.
I break away from my pack. I create holes in my victims. I can travel for miles and then disappear. I am part of a dying breed. What am I?
What language does a billboard speak?