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the open-content textbooks collection that anyone can edit.
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The Physics Study Guide is meant as a supplement to a year-long freshman-level physics course with a trigonometry prerequisite.
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Explore and discover the human body, an incredible machine, with Human Body. For children ages 8–12.


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Chokladboll is a traditional Swedish pastry often eaten with coffee during fika. They are quick and easy to prepare, since they require no baking and only a few, common ingredients.


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