関連ワード:
what makes the earth's inner core solid what causes the earth's inner core to be solid what keeps earth's inner core solid what is the earth's inner core solid why is the earth's inner core solid even though it is so hot why is the earth's inner core solid despite high temperatures why is the earth's inner core solid even though it is hot why is the earth's inner core solid quizlet why is the earth's inner core solid instead of liquid why is the earth's inner core solid despite extremely high temperatures
