El manto superior, después de la litosfera interna, es la capa de menor densidad de la Tierra, lo cual permite que se presente: A) Corrientes subterráneas B) Estabilidad del magma C) Una consistencia rígida D) Corrientes convectivas

In an effort to japan recover from the devastating effects of the 1929 depression, japanese military leaders in the 1930s formed an alliance with nazi germany negotiated more trade treaties with the soviet union closed its doors to western trade adopted a policy of imperialist expansion