Which of the following is not one of the climate regions?
a. tropical continentalc. temperate continentalb. tropical rainyd. highlands

d. Highlands

Highlands refers to the elevated mountain regions. These represents the ranges of hills. They can exhibit high peaks and valleys.  Highlands does not represent a characteristic climatic condition whereas, tropical continental, temperate continental and tropical rainy represent a peculiar climatic conditions. Tropical climate refers to the climate of the tropics. The weather conditions in the tropic region includes hot and humid conditions. Tropical continental climate exhibit higher temperature throughout the year.  It is warmer during the wet season and cooler during the dry season. Tropical rainy climate results in rainfall of at least 60 mm of rainfall every month of the year. Temperate continental region exhibits moderate temperature ranges. These regions do not exhibit extreme temperature ranges.