What is black when it is clean and white when it is dirty?
Everyone loses us as a child, and neglecting us makes us holy. What are we?See answer
It starts at the earth's end and brink,
Filled with water you can't drink.
Has a color, just like ink,
Walk into it and you'll sink.
Select a pack of riddles and try to solve it in an interesting way.
This riddle appears in the following downloadable PDF files: