Answer: "hydrologic cycle" .
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After World War II, The United States got heavily involved in the Middle East, mostly because of its political and economic interests.
Explanation:
After the World War ended, the Middle East was a region that just got its freedom after a very long time. The young states had lot of problems, and there was big interests from the global superpowers for controlling them because they lied on enormous reserves of oil.
The United States rushed to make good relations and if possible to control some of the countries. There was enormous competition for the region though, especially from the Soviet Union. The United States invested heavily, and put in a lot of effort to secure the region for themselves, and i part managed to.
The long term benefits of this have been huge for the United States. Also, whenever there was someone in the region that was threatening their interests, the United States didn't hesitated to use their military power and put things under their control.
Some of military interventions by the United States in this region were:
- the Gulf War
- Iraq war
- Afghanistan war
- Syria war
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Answer:
The crust broke up because of the convection currents, formed tectonic plates, and is slowly pushed on the surface until it collides with another plate and subducts.
Explanation:
This image gives us the basics of how the plate tectonics theory works. The material in the upper mantle is cooler and denser than the material in the lower mantle, so it drops down and it pushes the hotter and less dense material up. This creates a circular motion in the mantle, and this motion creates enormous pressure on the crust above it and breaks it up.
As the crust is broken up, magma is rising constantly for millions of years, so the new magma pushes the old solidified one further away. This also pushes two pieces of crust away from each other. As the crusts move away, they eventually collide with another plate, and either gradually merge with it, or a subduction zone is created. In the latter, the crust moves below another crust and into the mantle, where it gets melted and recycled.
Traditional authority
Hope this helps! ^_^