関連ワード:
what is the earth's inner core made up of what is the earth's outer core made up of what is the earth's inner core mostly made up of what is the earth's outer core made out of what is the earth's inner core mostly made out of what is the earth's mantle made up of what is the earth's inner core primarily composed of what is the earth's upper mantle made up of the earth inner core is made up of solid oxygen and iron true or false the earth's inner core is made up of solid oxygen and iron
