Which of the following is the primary reason for the aridity of the Atacama Desert?
A. Cold ocean current and rain shadow effect
B. Monsoon system
C. Subtropical high pressure
D. Polar high pressure
Answer: Option A
Solution (By JKSSB Mock Tests)
The Atacama Desert is extremely dry due to a combination of the cold Humboldt Current off the coast (which cools the air and limits evaporation) and the rain shadow effect of the Andes Mountains.
Explanation:
Steppe climates (Köppen BSh/BSk) are semi-arid, characterized by low rainfall (250-500 mm per year) and grasslands, often transitioning between deserts and more humid climates.
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