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https://biologijakp.com/2019/02/04/%d0%ba%d0%b0%d0%ba%d0%be-%d1%81%d0%bc%d0%be-%d0%b8%d0%b7%d0%b0%d1%88%d0%bb%d0%b8-%d0%b8%d0%b7-%d0%b2%d0%be%d0%b4%d0%b5/
Како смо изашли из воде?