Question

Explain the formation of sub-tropical high pressure belts and sub polar low pressure belts. Identify the planetary wind blowing in between these pressure belts.

Answer 1

Sub tropical high pressure belt The hot air ascending from the equatorial low pressure belt cools gradually and sub-sides at the sub tropical zone due to the rotation of the earth.
Sub polar low pressure belt - Though the cold air remains close to a the earth, the air is thrown up due to the rotation of the earth. As a result, low pressure is experienced all along the sub polar region. Westerlies.