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Is the ozone layer in danger?
In this lesson, you will learn about the activities that have led to the formation of the ozone hole and what we can do to protect the ozone layer.
地理
成绩8 – 12
作者: Varga Laura Dominika
审稿人: Dormány Gábor, Nagy Márió, Jóri Johanna
图形的: Fasola Martin
程序员: Gálea Patrik
关键词
mozaLink
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