Answer:
Slab pull is that part of the motion of a tectonic plate caused by its subduction. ... Plate motion is partly driven by the weight of cold, dense plates sinking into the mantle at oceanic trenches. This force and slab suction account for almost all of the force driving plate tectonics.
New York City and Chicago because for jobs there are lots of jobs that are available in those cities
The answer is A. Root crops, including yams, sweet potatoes, and taro, became more common.
The root crops became more common, and practically the basic food source. This was due to the fact that the climate and soil on the Pacific islands were excellent for growing them, and of course for having a sustainable food source.
Answer:
The Columbia Plateau
Explanation:
This regional is a plateau that lies between the coastal Pacific Ranges (specifically the Cascade Range) to the west and the Rocky Mountains to the East. The Columbia Plateau experience a rain shadow effect due to the blocking action of the Cascade Range with prevents moisture-laden winds off the Pacific Ocean from depositing large amounts of water on the plateau.