What is the primary natural cause of catastrophic riverbank erosion that displaces tens of thousands of people along the Jamuna and Padma annually?
Answer and explanation
Correct answer: A. braided river channels with materials highly susceptible to erosion
- Step 1: Banglapedia explains that the Jamuna is a braided river with bank materials that are highly susceptible to erosion. Answer: braided river channels with materials highly susceptible to erosion. Why not the others: Underwater volcanic seismic eruptions, Artificial riverbed suction mining in deep ocean and Massive mountain glacier landslides don't fit.
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