<em>Yeah </em><em>buddy</em><em>, </em><em>me </em><em>too</em><em>,</em><em> </em><em>from </em><em>India </em><em> </em>
The answer is: convection of the core
Farming is a common economic activity around two important rivers in South Asia, the INDUS and the GANGES
Explanation:
Ganges and Indus are two of the major rivers flowing in South Asia. They came into existence a long time ago. These rivers along with the Brahmaputra are known to be the backbone of South Asia in terms of culture and economy. The three rivers have contributed to the rise of the earliest civilizations in history.
Farming is the major economic activity in which these rivers have contributed and still contributing to the present as the soil present around them is very fertile and is ideal for various crops such as Wheat, Rice,Cotton,Sugarcane and Maize. The fertility of the soil is replenished when the rivers are flooded making it ready for next cultivation.
The human settlements hierarchy is as follows:
- An ecumenopolis is a theoretical construction in which the entire area of Earth that is taken by human settlements, or at least, that those are linked so that to create an urban areas so big that they can shape an urban continuum through thousands of kilometers.
- A megalopolis is a group of conurbations, consisting of more than ten million people each.
- A conurbation is a group of large cities and their suburbs, consisting of three to ten million people.
- A metropolis is a large city with it's suburbs, consisting of multiple cities and towns.
- A large city is a city with a large population and many services.
- A city has many services, but not as many as the large city.
- A large town is a town with population of 20,000 to 100,000 people.
- A town has a population of 1,000 to 20,000 people.
- A village is a human settlement or community that is larger than a hamlet but smaller than a town.
- A hamlet has a very small population, very few services, and only few buildings.
- An isolated dwelling has only 1-2 buildings.
Political map would be your best option to show which countries are part of the African nations.
