Answer:
Goes over all the hills and hollows, Bites hard, but never swallows.
I flow from the Homerβs mouth when he sees doughnuts.
I run through hills. I veer around mountains. I leap over rivers and crawl through the forests. Step out your door to find me. What am I?
The Titanic is still here.
I no longer have eyes, but once I did see. Once I had thoughts, but now Iβm white and empty. What am I?
No matter how little or how much you use me, you change me every month.