Answer:
It carries paper of the most important sort but also plastic, I'm glad to report. What is it?
What you become during a workout?
What should you do when you see a green man?
You can have it, and be at it, But it never lasts forever.
It's been around for millions of years, but it's no more than a month old. What is it?
What language does a billboard speak?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?