1.

Why is the subpolar low pressure belt formed?

Answer»
  • Due to earth’s curvature, the area between two parallels gets reduced as we move towards the poles.
  • This results in lesser friction1 of the air with the earth’s surface.
  • Air in this region is thrown out because of this reduced friction and also because of the earth’s rotational motion.
  • This leads to the development of a low pressure belt in the sub polar region i.e. in area between 55° & 65° parallels in both the hemispheres.


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