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
The Pacific Ocean is. Its area is about 63.8 million square miles.
That's about 46 percent of all the water area on Earth, and about
one third of the total area of the whole Earth ... land OR water.
Plate Tectonics, that would be the answer <span />
Answer:
Land is the least effective because most disasters that occur are caused by either air or water...air pollution or flood.
