How did the discovery of the Rosetta Stone change historical conclusions about ancient Egypt

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.

which of the following is a subsurface event that takes place during the rock cycle?

it's the under parts of the car