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If Only Selected Groups of People Need Vitamins, Why Do

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If only selected groups of people need vitamins, why do so many people take them?


Definitions:

Reagents

Chemical substances used in reactions to bring about and probe chemical changes, often to transform reactants into products.

2,2-dimethyloxirane

A type of oxirane with two methyl groups attached to the same carbon atom, used in organic synthesis.

Ethanol

A volatile, flammable, colorless liquid alcohol, used as a solvent, antiseptic, and intoxicant.

Trace of HCl

A very small amount of Hydrochloric acid, often used in chemical reactions.

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