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Chapter topics:
- Vesiluontoa pitää suojella
- Vesiluonnolla on monia uhkia
- Ihmistoiminnan haittoja vesistöihin
- Rehevöityminen
- Testaa tietosi
- Tiivistelmä
A valid license for package „Opiq+ For Teacher”, „Opiq+ Home” or „Opiq+ Yläkoulu (Pupil)” is required to use the kit. Click the link with the package name to learn more about the package and order a license.
If you have a valid license, log in to view the chapter.
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