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Desert climate - Wikipedia
What is an Arid Climate? - WorldAtlas
Aridity - Wikipedia
All About Climate - National Geographic Society
Understanding the different climate types and their characteristics ...
Characteristics of Arid Climates | Sciencing
Arid Climates | Encyclopedia.com
Arid Climates and Indicators | SpringerLink
Arid climate - Oxford Reference
Arid Climates | SpringerLink