because it's the main highway of the ancient world.
Mid- Atlantic ridge is a part of
constructive plate boundary or divergent plate boundary. This linear feature
lies in the midst of a two tectonic plates that are apart from each other.
Active divergent plate boundaries usually take place in the middle of oceanic
plates then become mid-oceanic ridges. In fact that a Mid- Atlantic Ridge is
mainly an underwater feature, some of its segments have an altitude that
extends above sea level. Its boundary is situated along Atlantic Ocean's bottom
and areas of the world's longest mountain range.
a thick subsurface layer of soil that remains frozen throughout the year, occurring chiefly in polar regions.
They really help in the process of Africa's state building, creating commercial networks between parts of the continent, and introducing literacy ( especially on northern part of Africa)
They also controlled the sea route between Asia and Africa and managed to maintain the relationship between Africa and the middle east
All of those are included in the earth's hydrosphere.
