Question

plains and rivers valleys are densely populated".give reason?

Answer 1

"the need of humans is growing . it also includes the water ,the fertilizer land to grow crops . the plains have a good soil that may be used for agriculture and other . the rivers fulfill the need of water . although the whole population is attracted to the rivers and valleys because of their needs. it is the reason for this. " I hope that it would be helpful to you . thank you

Answer 2

Reason for plains and rivers valleys are densely populated:

• Rivers and valleys are densely populated as these areas are perfectly suitable for agriculture.  
• Plains provide fertile soil and is suitable for constructions and large buildings.
• Roads can be made on these plains so that small to big vehicles can run over them providing easy transportation facilities to people.
• Rivers mostly provides water for irrigation, drinking and other processes.
• That’s why, more and more people are found at places where water facilities are good.  

To know more:

Plains and river valleys are the most densely populated areas of the world.( Give 3 reasons in sentences)

https://brainly.in/question/10285191