Rearrange the following parts to form a meaningful sentence:-

(A) to a wide variety of species is shrinking due to deforestation and
(B) rising seas, posing a threat to the 7.5 million people who
(C) the Sundarbans, the world's largest mangrove forest and home
(D) rely on it as a natural barrier against tides and cyclones

Choose the correct answer from the options given below:-

(C), (A), (B), (D)

The correct answer is Option (1) → (C), (A), (B), (D)

(C) the Sundarbans, the world's largest mangrove forest and home
(A) to a wide variety of species is shrinking due to deforestation and
(B) rising seas, posing a threat to the 7.5 million people who
(D) rely on it as a natural barrier against tides and cyclones

Complete Sentence: The Sundarbans, the world's largest mangrove forest and home to a wide variety of species is shrinking due to deforestation and rising seas, posing a threat to the 7.5 million people who rely on it as a natural barrier against tides and cyclones.