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 PrologueCharcoalSilicatesUnitsMeadCeramicsTextilesMetathesis AlkaliWood FiresAshesSolubilityRecrystallizationThe pH ScaleReactionsMaterial SafetyDissolutionCoagulationMetalsLimeRedoxDyesGlassPaperStoichiometryAlcoholGunpowderAcidSoapSodaBatteriesAniline DyesPhotographyAmmoniaElectrochemicalsPharmaceuticalsFertilizersPlasticsEpilogue | Alkali
Some anthropologists believe that the discoveries of fire, shelter, and language were almost simultaneous.
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![[Cartoon]](../graphics/cartoon/8.png)
| Copyright © 2003 Kevin Dunn | |