Population, Is the number of people who live in an area country, In rural areas, Few people live in a large area, there is low population density, In urban areas, Lot of people live and work in a small area. There is hight population density, Emigrants, leave their country to live or work, Immigrants, come to your country to live or work, Primary sector, it takes natural materials from nature., secondary sector, it makes products from natural materials., terciary sector, it provides services. It help or protects us

Population

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