Access restricted
Access to study materials is restricted. You are not logged in to Opiq.
A valid license for package „Opiq Private User Package”, „Opiq Pupil Package” or „Opiq Teacher Package” 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.
Chapter topics:
- Water pollution
- Causes of water pollution
- Human and animal wastes
- Farm chemicals
- Wastes from factories
- Run-off water
- Oil spills
- Acid rain
A valid license for package „Opiq Private User Package”, „Opiq Pupil Package” or „Opiq Teacher Package” 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.
- Service provided by Star Cloud Ltd