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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ลีดเดอร์บอร์ด

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