Естественные и искусственные экосистемы- естествознание, 5 класс
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![[LS Philosophy] Что такое наука и как она работает? | Владимир Алипов](https://sun9-66.userapi.com/impg/VbfbqDKi0TpTJoiSp5USUfF-T2tqKq___tnyrw/XuEqEyCoJY4.jpg?size=320x240&quality=95&keep_aspect_ratio=1&background=000000&sign=085b7c201edeac8c15cd7be96a9660e2&c_uniq_tag=gi08Su3MbCASSqWjvWv4uOD7eYag7JQ6r7Kaxdbk2oI&type=video_thumb)
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