mano References mano tool Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: pre-Columbian civilizations/ Incipient agriculture (6500–1500 bce)…in the metates (querns) and manos (handstones) that were used to grind the corn into meal or dough. Read More…in the metates (querns) and manos (handstones) that were used to grind the corn into meal or dough. Read More