Final answer:
The Andes is the world's second highest mountain range in South America.
Step-by-step explanation:
The world's second highest mountain range in South America is the Andes. The Andes stretch along the western coast of the South American continent, extending through several countries including Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina. With peaks reaching over 20,000 feet, the Andes are home to numerous glaciers, volcanoes, and diverse ecosystems.
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