Well there are many words that can answer that. Is there a word box or hints towards the specific words? If not just say heavily.
I’m not entirely sure what is being asked here, but the Tigris and Euphrates rivers is the only place in Egypt (besides the nile delta) with non-arid ground. That’s why most people live around there:
A great flood made by God.
Answer:
The growth in urban areas comes from both the increase in migration to the cities and the fertility of urban populations.The urbanization of the world is likely to slow population growth. It is also likely to concentrate some environmental effects geographically
Explanation:
There is a grand total of 196 countries in the world. Hope this helped.