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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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Scientists and ResearchFrance Anne-Dominic Córdova
This module profiles the career of astrophysicist France Córdova, director of the National Science Foundation....
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BiologyAnimal Ecology
This module introduces animal ecology, the study of animals’ relationship to their environment. We’ll explore...
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