The Egyptian civilisation was built along the river Nile and the annual flooding of the river allowed for rich soil, meaning that crops could easily be grown. : )
Huge Capital Outlay
Lack of Flexibility
Lack of Door to Door Service
Monopoly
Unsuitable for Short Distance and Small Loads
Booking Formalities
No Rural Service
Under-utilised Capacity
Answer:
area of land dropping steeply towards deep ocean basins
Supervolcanoes are different from normal volcanoes. They aren't recognisable by a conical shape that you would imagine a volcano to be. These volcanoes form calderas which are huge craters in the ground after previous eruptions, which are so large that they are often only noticeable from the air above