Which mountain range runs the entire length of the western spine of Sumatra for approximately 1,700 km, housing dozens of active volcanoes?
Answer and explanation
Correct answer: B. Barisan Mountains (Bukit Barisan)
- Step 1: The Bukit Barisan stretches along western Sumatra from Aceh in the north to Lampung in the south. Step 2. It formed through subduction and runs parallel to the Great Sumatran strike-slip fault. Answer: Barisan Mountains (Bukit Barisan). Why not the others: Müller and Schwaner ranges are in Borneo; Jayawijaya is in Papua.
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