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OpenStax: Textbooks
OpenStax offers free textbooks to all types of students, making education accessible and affordable for everyone.
You will find books on the topics:- bookkeeping;
- economy;
- management and marketing;
- nursing;
- Sciences;
- human Sciences;
- math; …
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Mouth masks in the sea: Posters
Mouth masks lying around quickly end up in the sea via the wind, streams and rivers. Don't lose your mouth mask wherever you are!
Three posters, with a jellyfish, shrimp and mussels, show the impact of mouth masks on marine life.
You can download these …
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Tangible material (8) -
CO₂ Calculator for Schools
Schools for less CO₂ is a free digital tool that makes it possible to monitor your school's CO₂ emissions and use them for climate education.
The students perform measurements and enter the data in the CO₂ calculator. This converts …
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Website (4)