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Earth ScienceHistory of Earth's Atmosphere II
The composition of Earth’s atmosphere has evolved over time. This module examines how Earth came...
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Process of ScienceTheories, Hypotheses, and Laws
Theories are not based on one scientist's work but on an accumulation of evidence and...
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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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