Which high-altitude desert plateau in South America is the second-highest and most extensive plateau in the world after the Tibetan Plateau?

Answer and explanation

Correct answer: B. Altiplano (Andean Plateau)

  1. Step 1: The Altiplano lies in west-central South America where the Andes are at their widest, predominantly across Bolivia and southern Peru.
  2. Step 2: Sitting at an average elevation of 3,750 meters (12,300 feet), it hosts Lake Titicaca and the Salar de Uyuni, the world's largest salt flat.
Answer
Altiplano (Andean Plateau)
Why not the others: 'Patagonian Plateau' is a windswept steppe in southern Argentina; 'Brazilian Highlands' cover south-central Brazil; 'Guiana Shield' is an ancient craton in northeastern South America.

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