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The top documents tagged [main ecological problems]
Education
охрана окружающей среды
57 views
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Mother Nature Needs Us Mother Nature Needs Us. The main ecological problems of the Earth. The main ecological problems of the Earth. The reasons for these
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Ecological Problems What science studies nature? Ecology
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“Ecology around us” “Ecology around us”. What science studies nature? Ecology
244 views
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National Report on Monitoring and Assessment: Ukraine
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Тема: Let’s speak about Ecology
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Presentation was prepared by Pilipenko Olya 8 « V »
49 views
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Business Plan_The FOCH
218 views