https://peda.net/id/5f8dfd0160e 2023-10-02T09:37:31+03:00 https://peda.net/:static/543/peda.net.logo.bg.svg <div class="license">Tämän sivun lisenssi <a rel="license noopener" href="https://peda.net/info" target="_blank">Peda.net-yleislisenssi</a></div> https://peda.net/id/5f8faabc60e 2017-01-24T19:41:19+02:00 <a href="https://quizlet.com/_2v6eni" target="_blank" rel="nofollow ugc noopener">Vesien uhat</a>​ 2023-10-02T09:37:31+03:00 https://peda.net/id/5f90631d60e 2019-12-17T18:25:45+02:00 ​<iframe src="https://www.e-oppi.fi/wp-admin/admin-ajax.php?action=h5p_embed&amp;id=100" width="778" height="566" allowfullscreen="allowfullscreen"></iframe> ​ 2023-10-02T09:37:31+03:00 https://peda.net/id/5f9250f660e 2017-01-24T18:38:23+02:00 <a class="eoppi-icon-nav" href="https://peda.net/id/29d9bd2860e:sitemap" target="_blank" rel="noopener"><img src="https://www.e-oppi.fi/pedanet/icons/nav/icon-nav-kirja-sisallys.png"/> <span>Sisällys</span></a> <a class="eoppi-icon-nav" href="https://peda.net/id/5f96dadf60e" target="_blank" rel="noopener"><img src="https://www.e-oppi.fi/pedanet/icons/nav/icon-nav-luku-sisallys.png"/> <span>Tiivistelmä</span> </a> <a class="eoppi-icon-nav" href="https://peda.net/id/5f8b400f60e" target="_blank" rel="noopener"><img src="https://www.e-oppi.fi/pedanet/icons/nav/icon-nav-luvun-alkuun.png"/> <span>Luvun alkuun</span> </a> 2023-10-02T09:37:31+03:00