The nile river the gift of Egypt would be described as:-
Every year between June and September there would be a rainy season called Akhet- the inundation and would usually flood the river and Melting snow and heavy summer rain from the Ethiopian Mountains would come tormenting down to the river on the flat desert land. (Hope this helps).
10. Coal Engines
11. Machines were created to help/deal with most of the previously manual labor.
12. Polution levels rose, disease became easier to spread, and there was alot of smog about from the factories that popped up everywhere around that time.
When water vapor in the atmosphere loses heat and cools down, condensation happens. As the water vapor cools down and condenses, it attaches to small particles of dust floating in the atmosphere, forming tiny liquid water droplets. ... When condensation occurs on the ground, it forms dew.
Regional, inter-regional and international trade was a common feature of the Roman world. A mix of state control and a free market approach ensured goods produced in one location could be exported far and wide. Cereals, wine and olive oil, in particular, were exported in huge quantities whilst in the other direction came significant imports of precious metals, marble, and spices.