Q. Which of the following statements with regard to South American arid zones is/are correct?
1.Patagonian Desert is the largest desert by area in Argentina, bounded by the Andes to its west and the Atlantic Ocean to its east.
2.Atacama Desert in Chile is recognized as the driest non-polar desert on Earth, functioning as a primary coastal fog desert.
3.Sechura Desert is a hyper-arid coastal desert located along the Pacific coastline in southern Peru.
Select the answer using the code given below:

[A] 1 and 2 only

[B] 2 and 3 only

[C] 1 only

[D] 1, 2 and 3

Answer: D
Notes:

Explanation:

  • Statement 1 is correct: The Patagonian Desert spans over 670,000 mainly in southern Argentina, formed in the rain shadow of the Andes mountains.
  • Statement 2 is correct: Atacama receives virtually no rainfall due to the rain-shadow effect of the Andes and the cold offshore Humboldt Current, making it the driest non-polar desert globally.
  • Statement 3 is correct: The Sechura Desert occupies a strip along the Pacific coast of northwestern/southern Peru south of the Piura Region.
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