Answer:
The United States and Mexico depend on each other more than ever for our economic well-being and competitiveness. We will sink or swim together in the global economy.
Explanation:
Polar.
The polar regions are cold year round because of the chill, polar air has a low capacity to evaporate water vapor in the air. The sun angle is fairly low throughout the year in polar areas. A significant amount of solar radiation that does reach the polar surface is reflected back into space.
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They are both caused due to the movement of tectonic plates.
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