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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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BiologyOrigins of Life I
Since prehistoric times, people have pondered how life came to exist. This module describes investigations...
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BiologyEnergy Metabolism I
Food fuels our bodies, but how does our body convert food molecules into usable energy?...
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