Migration as a factor influencing population growth.
Answer Text: (c) Migration as a factor influencing population growth.- Migration means movement of people from one place of residence to another.- It causes reduction of population in the place of origin and increase of population in the area of destination.- Emigrants - People who move out of their country to live in another country.- Immigrants - People who move in to a country from another country.- Internal Migration – movement of people from one place to another within a country.- External/ International Migration – Movement of people across countries.