Q: Which Brazilian river is the main tributary of the Amazon River, originating in Peru?
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A
Xingu River
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B
Madeira River
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C
Tapajós River
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D
Negro River
B
Answer:
B
Explanation:
The Madeira River is the main tributary of the Amazon River and originates in Peru. It is one of the largest rivers in South America and plays a crucial role in the overall flow and ecology of the Amazon basin.
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