Question

1) In-migration
2) Out-migration
3) Literacy
4) Population Density
The ratio of the population of a country to its area
An indicator of the social and economic development
of a society
C) People move in to a region from outside, for
residence
d) People move out of a region for residential purpose.​

Answer 1

Explanation:

• In-migration -------> People move in to a region from outside, for residence.
• Out-migration ------> People move out of a region for residential purpose
• Literacy ---------> An indicator of the social and economic development of a society.
• Population Density --------> The ratio of the population of a country to its area.