The Earth is divided into three major heat zones, which are the Frigid Zone, the Temperate Zone, and the Torrid Zone. Here is a brief description of each zone:
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Frigid Zone: This zone is located between the Arctic Circle (66.5°N) and the North Pole in the Northern Hemisphere, and between the Antarctic Circle (66.5°S) and the South Pole in the Southern Hemisphere. The Frigid Zone is the coldest zone on Earth, and it receives direct sunlight and vertical rays of the sun all year round. This zone is also known as the polar zone.
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Temperate Zone: The Temperate Zone lies in both hemispheres. The North Temperate Zone is located between the Tropic of Cancer and the Arctic Circle in the Northern Hemisphere, while the South Temperate Zone is located between the Tropic of Capricorn and the Antarctic Circle in the Southern Hemisphere. These zones are neither too hot nor too cold, and they have moderate temperatures.
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Torrid Zone: The Torrid Zone is located between the Tropic of Cancer and the Tropic of Capricorn. This zone receives the maximum amount of heat throughout the year because the rays of the sun fall vertically on this zone. It is also known as the tropical zone.
Geographers divide the Earth into different bands that run parallel to the equator to explain the climate of different regions on Earth. The heat zones of the Earth are defined as the different zones found on our planet where the suns rays hit at different angles, resulting in different heat absorption and different climates.