Which is the largest river delta in the world?
a) Nile Delta
b) Sundarbans Delta
c) Mississippi Delta
d) Indus Delta
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Answer: b) Sundarbans Delta
Explanation
- Sundarbans Delta (Ganga-Brahmaputra Delta): Spanning across West Bengal (India) and Bangladesh, the Sundarbans Delta covers roughly 100,000 square kilometers, making it the largest river delta in the world.
- Formation: Created by the deposition of heavy silt carried by the Ganga (Padma), Brahmaputra (Jamuna), and Meghna rivers before emptying into the Bay of Bengal.
- Features: Home to the world’s largest contiguous mangrove forest, named after the dominant Sundari (Heritiera fomes) tree species, and famous for protecting the endangered Royal Bengal Tiger.
Overview of Other Options
- a) Nile Delta: Located in Northern Egypt where the Nile River spreads out and drains into the Mediterranean Sea; one of the world’s classic arcuate deltas.
- c) Mississippi Delta: Located in Louisiana, United States, where the Mississippi River drains into the Gulf of Mexico; famous for its unique bird’s-foot delta shape.
- d) Indus Delta: Located in southern Pakistan where the Indus River flows into the Arabian Sea; forms the fifth-largest delta in the world.
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