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ChemistryNuclear Chemistry I
This module explores radioisotopes resulting from unstable atomic nuclei. You will learn how they decay...
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Scientists and ResearchRuth Benerito
Wrinkle-resistant cotton is one of the most significant developments of the 20th century. In the...
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General ScienceDensity and Buoyancy
Density is a fundamental physical property of matter. This module introduces the concept of density,...
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