Gülsüm ATİLE Hakkı Tatoğlu Prımary School Antalya Turkey : our dam design engineering stage
Ayça DEMİR-Eskişehir Cemalettin Gökay Anaokulu The planet we live on, which provides suitable conditions for a living thing to live, is Earth. The most important reason for life on Earth is the presence of oxygen in free form. Thanks to oxygen, we can breathe. We did the airless oxygen experiment.
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