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Is the ozone layer in danger?
In this lesson, you will learn what activities have led to the formation of the ozone hole and what you can do to protect the ozone layer.
地理
成績8 – 12
作者: Varga Laura Dominika
審稿人: Dormány Gábor, Nagy Márió, Jóri Johanna
圖形的: Fasola Martin
程序員: Gálea Patrik
關鍵詞
mozaLink
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