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The top documents tagged [forms water pollution]
Education
We must take care of nature
2.975 views
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Ecological problems and environmental protection Выполнила: Симашова Кристина ученица 10 класса Учитель: Димитрова Н.А. 2011
235 views
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People and Planet Earth. Environmental problems endanger people's lives environment The word environment means simply what is around us. airsoil water
222 views
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The motto of our presentation is “LOOK AFTER THIS PLANET, IT ’S THE ONLY ONE WE HAVE.” (The appeal of Prince Philip of Britain, president of the World
219 views