Layers of The EarthVersion en ligne Layers of The Earth par Jose Mª Gonzalez Montero 1 Scientists believe that as the Earth cooled Selecciona una o varias respuestas a The heavier materials sank to the center b The lighter materials sank to the center c The lighter materials did not move 2 Why must the crust be solid? Selecciona una o varias respuestas a To hold trees and buildings b To prevent rivers from flowing down to the mantle c Otherwise, it would sink into the earth inside. 3 How thick is the mantle? Respuesta escrita 4 What does the crust is compared with? Respuesta escrita 5 Is the asthenosphere Selecciona una o varias respuestas a Liquid? b Solid? c Both? d Semiliquid? 6 The mantle is made of a Super glue rock b Super cooled rock c Super heated rock d Semiliquid? 7 The outer core is heavy because it is made of a Lead b Iron c Gold d Semiliquid? 8 What do the movements of liquid metals create? Respuesta escrita 9 How can we know about the inner core? Respuesta escrita
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