Which shallow continental shelf underlying western Indonesia connected Sumatra, Java, and Borneo to mainland Southeast Asia during Pleistocene glacial periods?
Answer and explanation
Correct answer: C. Sunda Shelf (Paparan Sunda)
- Step 1: The Sunda Shelf is an extensive shallow epicontinental platform (average depth < 50 m) underlying the South China and Java seas. Step 2. During the Last Glacial Maximum, lowered sea levels exposed this area as a continuous land bridge connecting western Indonesia to mainland Asia. Answer: Sunda Shelf (Paparan Sunda). Why not the others: The Sahul Shelf connects New Guinea and the Aru Islands to northern Australia.
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