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Earth ScienceIdentifying Minerals
Minerals are classified on the basis of their chemical composition, which is expressed in their...
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BiologyDNA I
This module is the first in a series that discusses the discovery, structure, and function...
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Math in ScienceScientific Notation
The blue whale weighs approximately 190,000 kilograms, while a plankton weighs just 0.5 milligrams—a difference...
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