What is the longest river in South America flowing entirely within the borders of Brazil?
Answer and explanation
Correct answer: B. São Francisco River
- Step 1: The São Francisco River spans 2,914 kilometers, originating in the Canastra Mountains of Minas Gerais and flowing into the Atlantic Ocean.
- Step 2: It is known as the 'River of National Integration' because it connects Brazil's diverse southeast and arid northeast regions.
Answer
São Francisco River
Why not the others: 'Amazon River' originates in Peru and passes through Colombia and Brazil; 'Paraná River' flows through Brazil, Paraguay, and Argentina; 'Tocantins River' is a major river flowing north to the Pará River estuary.
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