Answer:
What can you fold but not crease?
It is weightless, you can see it. If you put it in a barrel it will make it lighter?
Creatures of power, creatures of grade, creatures of beauty, creatures of strength. As for their lives, they set everything's pace. For all things must come to live. Under their emerald embraceย Either in their life or in their death.
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
What can answer in any language? What can speak without a mouth? What can sing without an ear?
What language does a billboard speak?