Which of the following rivers makes an estuary?
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Cauvery
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Krishna
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Narmada
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Ganga
D
Correct answer
Explanation
The Ganga forms a famous estuary in its lower course, particularly the Hooghly River distributary that flows through Kolkata. Unlike the Cauvery, Krishna, and Narmada which form deltas, the Ganga-Brahmaputra system creates tidal estuaries where seawater mixes with freshwater. The Sundarbans delta region has complex estuarine channels. While the overall system creates a delta, individual channels like the Hooghly function as estuaries.