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Which is the coldest heat zone on the earth?
A) Torrid Zone
B) Frigid Zone
C) Temperate Zone
D) None of these

Answer
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Hint:
The geographical zones are divided by the five main latitudes of the Earth. Climate is the only major difference between them by which they could be differentiated. The temperature of the Frigid Zone is cooler compared to the temperate and torrid zones.

Complete step by step solution:
The North Frigid Zone lies between the North Pole at 90N and the Arctic Circle at 6633N. It covers 4.12% of the Earth’s surface. The South Frigid Zone lies between the South Pole at 90S and the Arctic Circle at 6633S and covers 4.12% of the Earth’s surface. The North Temperate Zone lies between the Arctic Circle at 6633N and the Tropic of Cancer at 2327N and covers 25.99%of the surface of the Earth. Between the Tropic of Capricorn at 2327S and Antarctic Circle at 6633S lies the South Temperate Zone which covers 25.99% of the Earth’s surface. The Torrid Zone lies between the Tropic of cancer 2327N and the Tropic of Capricorn at2327S. 39.78% of the Earth’s surface is covered by it. The midnight sun and the polar night for a part of the year is experienced by the two Frigid Zones or the Polar regions. The day at the poles i.e., the center of the zone is one year long with the daylight of six months and the other six months of night. This zone is the coldest heat zone on the Earth.

Thus, option (B) is correct.

Note:
The Torrid Zone, Frigid Zone, and the Temperate Zone are divided into the three broad heat zones on the basis of latitudinal extent. An ancient Greek scholar Parmenides first hypothesized the concept of the geographical zone and it was finally modified by Aristotle.
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