¿Cuál es la energía principal que se utiliza para convertir rocas metamórficas en rocas igneas en el ciclo de las rocas?

Why was the land in the middle colonies attractive to immigrants

How did the united states obtained the purchase of floridia to extand its frontiers to the pacific ocean

How was the cottage industry different from the factory system? products were made quickly and cheaply. products were made by machines. products were crafted by people with years of training. o products were made on a large scale.