A. Tropical - [Has highest insolation]
B. Temperate - [Hot in the summer, cold in the winter]
C. Polar - [Has lowest insolation]
The tropical zone is a region of the earth that is situated between the tropic of cancer and the tropic of Capricorn. The tropical zone is characterized by hot temperature throughout the year, and high rainfall. The average temperature of the tropical zone is between 20 to 30°C.
The temperate zone is a region of the earth that is situated between the subtropics and the polar circles. The temperate zone is characterized by wider temperature changes (between summer and winter) throughout the year.
The polar region is a region of the earth that is situated around the North Pole or the South Pole. The northern polar region is mostly made up of floating and pack ice that floats on the Arctic Ocean, and surrounded by land masses.