What is the shape and size of Ethiopia and the horn

In terms of size, Ethiopia is the largest of all the Horn of African countries, while Djibouti is the smallest. The Horn contains such diverse areas as the highlands of the Ethiopian Plateau, the Ogaden desert, and the Eritrean and Somali coasts.

answertemperature;

heat from the core of the earth causes convection currents to occur in the mantle. these currents slowly move the crust around.