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Population
In this lesson, you will learn about the concept of population and discover how a country’s population size affects its economic development and the environment.
成绩7 – 10
作者: Kalmár Vanda
审稿人: Dormány Gábor, Jóri Johanna
图形的: Patai Regina
程序员: Gálea Patrik
关键词
mozaLink
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