Question

Why are heat zones important

Answer 1

There are three heat zones they are called temperature zones or climatic belts are bounded by the five important latitudes and the Poles.
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Answer 2

In earth, there are 3 different zones found based on its temperature variation.

Based on various studies, this classification of temperature variation is widely accepted.

The three zones are temperature zone, Torrid Zone and Frigid Zone.

The heat zone is important for people community to grow.  

You can find out 2 heat zones in the world.

They are lies exactly between the tropics of Antarctic and Arctic Circles.