I'd have to say gas because it usually doesn't change at all
Proceed with extreme caution
I think (IM NOT COMPLETELY SURE) its profit incurred on a good or service.
The Grand Canyon is like a history book because you can see all the layers of rock and dirt throughout the ages, and scientists can read those to tell what happened.
Hope this helped :)
You could make like a building somewhere high so when everyone gets a warning that a flood is coming they can go and leave there let’s there or like a boat like Noah’s arc
Hope this helps —- xoxo
