lifeless+substance
131pre-Columbian civilizations — Introduction the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …
132Stahl, Georg Ernst — ▪ German chemist and physician Introduction born Oct. 21, 1660, Ansbach, Franconia [Ger.] died May 14, 1734, Berlin, Prussia [Ger.] German educator, chemist, and esteemed medical theorist and practitioner. His chemical theory of phlogiston… …
