A strong acid is a number between 0-6 on the pH scale and Bases are between 8-14 on the pH scale the difference is how much hydroxide each one has like coca-cola (acid) and backing soda (base)
It’s Egypt! Trust me. I had the same question and it was right ;)
The fairly flat, circular part of the galaxy is referred to as the disk.
I hope this helps.
Because it was cheaper for his business it is 30pc lower there.