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ChemistryWater
Water is a truly unusual and important substance. The unique chemical properties of water that...
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BiologyMembranes II
For living things to survive, different molecules need to enter and leave cells, yet cell...
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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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