Answer:
I get dirty when wiping things clean. What am I?
I ask no questions but receive a lot of answers. What am I?
What has a head but never weeps a bed but never sleeps can run but never walks and banks but no money?
I have cities with no people forests with no trees and oceans with no water.
I am all around yet to me you are half blind. Sunlight makes me invisible and difficult to find.
What made Cyclops quit teaching?