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Information × Registration Number 2117U002658, Article popup.category Thesis Title popup.author popup.publication 01-01-2017 popup.source_user Сумський державний університет popup.source http://essuir.sumdu.edu.ua/handle/123456789/65656 popup.publisher Sumy State University Description People have lived on our planet for many years. They live on different continents, in different countries. People depend on their planet, on the Sun, on animals and plants around them. People must take care of Earth. popup.nrat_date 2025-05-12 Close