The biggest delta in the world is
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Ganges Delta
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Nile Delta
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Mississippi River Delta
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Okavango Delta
A
Correct answer
Explanation
The Ganges Delta (also known as the Sundarbans Delta) in Bangladesh and India is the world's largest river delta, covering approximately 100,000 square kilometers. It's formed by the confluence of Ganges, Brahmaputra, and Meghna rivers.