What is the second-longest river in South America, forming part of the border between Brazil, Paraguay, and Argentina?
Answer and explanation
Correct answer: D. Paraná River
- Step 1: The Paraná River spans 4,880 kilometers, second only to the Amazon in South America.
- Step 2: It hosts the massive Itaipu Dam (shared by Brazil and Paraguay) and joins the Uruguay River to form the vast Río de la Plata estuary.
Answer
Paraná River
Why not the others: 'Uruguay River' is the neighboring river that merges with the Paraná; 'Orinoco River' flows across northern South America through Venezuela; 'Magdalena River' flows northward through Colombia.
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