Question

Give two reasons for dense population in plains or river valleys.​

Answer 1

Answer:

The northern plains of India aredensely populated because of the following reasons: They consist of large plain of alluvial soil and the deposition of alluvium in a vast basin lying at the foothills of the Himalaya over millions of years make this plain fertile

Answer 2

the rivers nearby provided water.

the plains help for agriculture.

the construction and development can be more in plains and river valleys.