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Chemistry
Diffusion I
The process of diffusion is critical to life, as it is necessary when our lungs...
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Math in Science
Scientific Notation
The blue whale weighs approximately 190,000 kilograms, while a plankton weighs just 0.5 milligrams—a difference...
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Biology
Discovery and Structure of Cells
Cells are the basic structural and functional unit of life. This module traces the discovery...
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