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BiologyFats and Proteins
Fats and proteins are two of the major nutrient groups that our bodies need. This...
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ChemistryThe Periodic Table of Elements I
The modern periodic table is based on Dmitri Mendeleev’s 1896 observations that chemical elements can...
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ChemistryAtomic Theory I
The 19th and early 20th centuries saw great advances in our understanding of the atom....
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