After a long period of civilization, Ancient Egypt fell to the Persians after they invaded the place in 343 B.C. That was basically the end of the civilization altogether. When you hear about the Egyptians still existing after that time period, it means that the area is taken over by Persians, later Romans, and etc.
Explanation:
in time, in the long run, businesses save $$ by having less people on a shift. even if they spend millions on machines. the only people hired would be people 2 keep machines in working order therefore eliminating 401k's, retirement, etc....
The big issue was slavery
Answer:
gas used for lighting
Explanation:
gas used for lighting is the answer did the test and got it right