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Blood donation
Interactive video about blood donation:
- blood groups;
- which donor is possible.
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How do you live to be a hundred years old without getting sick?: Listening and watching assignment
In these BookWidgets, the students prepare for the viewing and listening fragment by looking up a photo and information about Dan Buettner, who researched which factors ensure that you can age healthily. Then they watch the video from the …
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Solving Systems of Equations: Substitution Method
In this interactive video you will learn how to solve systems of equations with the substitution method. In the video, some questions are asked about the subject matter.
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