Which one of the following is the best example of repeated falls in se

Which one of the following is the best example of repeated falls in sea level, giving rise to present-day extensive marshland?

Bhitarkanika Mangroves
Marakkanam Salt Pans
Naupada Swamp
Rann of Kutch
This question was previously asked in
UPSC IAS – 2023
The Rann of Kutch is a vast seasonal salt marsh region in Gujarat, India. Geologically, it is believed to have been an arm of the Arabian Sea that gradually silted up and uplifted, leading to the sea’s retreat. Subsequent relative sea level changes and sedimentation have resulted in the formation of the extensive, flat, often flooded (during monsoon) and dry (during winter/summer) marshland/salt flat landscape. This history best fits the description of an extensive marshland resulting from repeated falls in sea level over geological time.
– Repeated sea level falls or marine regressions expose former seabed.
– Rann of Kutch’s formation is linked to geological processes including sea level changes.
– Other options like mangroves, salt pans, or typical swamps don’t primarily exemplify formation via repeated sea level falls exposing vast areas.
The Rann of Kutch is divided into the Great Rann of Kutch and the Little Rann of Kutch. It is known for its unique ecosystem, including the Indian wild ass sanctuary in the Little Rann.
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