Question

What are the causes of high density of population in Plains?

Answer 1

Lack of living land......

Answer 2

1.There is a lot of food and agricultural land there so all the farmers are settled there. The credit of this goes to the rich waters and soil of the region.2.Due to the ganga and Yamuna doab other occupation such as fishing, tourism etc are largely practiced .3. survival is easy so, people tend to be over there.4.that area has a high Muslim population.5.Also people have been living and migrating there for ages . as many conquerors have captured that area  and each conqueror got different sets of people with him and they all settle there hence the population density is high.6.the most prominent reason is the fertility of the land and rich waters of the perennial rivers and tourism.