Answer:
The abundance of volcanoes and earthquakes along the Ring of Fire is caused by the amount of movement of tectonic plates in the area. Along much of the Ring of Fire, plates overlap at convergent boundaries called subduction zones. ... A significant exception is the border between the Pacific and North American Plates.
WWI implemented trench warfare. Instead of everyone standing in a line people got down in trenches and fought each other. They would stay in these trenches for extended periods of time. The trenches were usually dirty and crowded.
Slavery began in America as early as the 1800s
Answer:
Falso
Explanation:
Los Incas nunca utilizaron la rueda. Quizás en algún momento la "inventaron", o sabían que era y cómo se hacía, pero la realidad es que tanto la evidencia histórica como arqueológica confirma que los Incas nunca utilizaron la rueda.
Varias razones se han dado como explicación a esto. En especial, el hecho de que los andes sean tan montañosos, impedían un uso eficiente de vehículos con ruedas.