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Consider the following countries:

  1. Bolivia
  2. Brazil
  3. Colombia
  4. Ecuador
  5. Paraguay
  6. Venezuela
Andes mountains pass through how many of the above countries?
  1. Only two
  2. Only three
  3. Only four
  4. Only five

Explanation

Option (c) is correct
  • It is spread across Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, and Venezuela.

Additional Information

  • The Andes are formed due to convergence between the Nazca Plate (oceanic plate) and the South American Plate (continental plate).
  • The Peru-Chile trench is formed due to the subduction of the Nazca plate.
  • Extent: ~7,000 km – longest continental mountain range.
  • Ojos del Salado active volcano on the Argentina-Chile border in the Andes is the highest active volcano on earth at 6,893 m. (Olympus Mons (27 km) on Mars is the highest volcano in the solar system.
  • Mount Aconcagua (6,960 m, Argentina) in the Andes is the highest peak outside the Himalayas and the highest peak in the western hemisphere. It is an extinct volcano.
Answer: (c) Only four; Difficulty Level: Medium
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