Answer:
What cleans as it gets dirty only to get clean the more you use it?
What is the end of everything?
I start with āeā end with āeā. I have whole countries inside me. What am I?
What's always coming, but never arrives?
Before Google, we actually had to physically look things up in this building full of knowledge.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.