Answer:
I keep growing and am practically indestructible. I get eaten, but always come back. I survive cold and lie everywhere. You see me everyday. What am I?
What is black when you buy it red when you use it and gray when you throw it away?
I tell people to be careful when handling boxes.
What's orange and sounds like a parrot?
Whoever made me doesn't want me. Whoever bought me doesn't need me. Whoever uses me doesn't know me. What am I?
What made Cyclops quit teaching?