Which transboundary river in Southeast Asia flows through six countries: China, Myanmar, Laos, Thailand, Cambodia, and Vietnam?
Answer and explanation
Correct answer: B. Mekong River
- Step 1: Known as the Lancang in China, the Mekong flows for 4,900 kilometers from the Tibetan Plateau to its expansive delta in southern Vietnam.
- Step 2: It sustains one of the most productive freshwater inland fisheries on Earth, notably supported by the Tonlé Sap lake in Cambodia.
Answer
Mekong River
Why not the others: 'Irrawaddy River' is primarily located within Myanmar; 'Salween River' flows through China and Myanmar into the Andaman Sea; 'Red River' flows from southwestern China through northern Vietnam past Hanoi.
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