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

Both the nervous and endocrine systems send electrical and chemical signals for internal communication. select the best answer from the choices provided t f

The battle of sabine pass is important because? a) it was a stalemate between union and confederate armies. b) it resulted in the largest confederate casualty in the war. c) it marks the failed attempt of the union army to invade the confederate state of texas. d) it was won by the union soldiers and marked a turning point in the western front of the war.

Describe how the ways in which african americans migrated during the great migration were similar to the immigrants who arrived from other countries in the early 1900s.