The moisture is the same throughout the air mass.
The answer is: to keep the population isolated from freer societies.
Answer:
Tors are landforms created by the erosion and weathering of rock; most commonly granites, but also schists, dacites, dolerites, ignimbrites, coarse sandstones and others. Tors are mostly less than 5 meters (16 ft) high.
When Pangaea split up, what happened to the western edge of the North American continent?