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Earth ScienceThe Carbon Cycle
Carbon, the fourth most abundant element in the universe, moves between the atmosphere, oceans, biosphere,...
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Scientists and ResearchLouis Tompkins Wright
In the first two decades of the 20th century, job opportunities for African American physicians...
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BiologyInheritance
Inheritance patterns have been of interest since ancient times, but it was Gregor Mendel's work...
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