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Earth ScienceOrigins of Plate Tectonic Theory
The theory of continental drift was the first step toward plate tectonic theory, which became...
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BiologyPhotosynthesis I
Through photosynthesis, plants harvest energy from the sun to produce oxygen and sugar, the basic...
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PhysicsElectromagnetism and Light
The study of electricity and magnetism were artfully united in John Clerk Maxwell’s theory of...
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