Lakes and rivers

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Chapter topics:

  1. Lakes and rivers
  2. The water cycle
  3. How are lakes formed?
  4. Lake and river systems
  5. Groundwater
  6. The uses of lakes and rivers
  7. Threats to water quality
  8. Sewage treatment
  9. Terminology
  10. Test your knowledge
  11. Summary

A valid license for package „Opiq+ Home” is required to use the kit. Click the link with the package name to learn more about the package and order a license.

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