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Which is the longest mountain chain on Earth?
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- Andes mountains
- Mid-Atlantic ridge
- Western Cordillera
- Himalayan range
Correct Option: A
The world’s longest mountain chain is the Andes, about 7,000 km long. The chain stretches from north to south through seven countries in South America, along the west coast of the continent: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina.
