Explanation:

• UNESCO has also added phase two of China’s sprawling Yellow Sea-Bohai Gulf Migratory Bird Habitat to its World Heritage List.

About Bohai Gulf

• Statement 1 is incorrect: The Bohai Gulf is an innermost gulf of the Yellow Sea, situated along the coast of Northeastern and North China.

• It serves as the northwestern and innermost extension of the Yellow Sea.

• To the east, it connects with the Yellow Sea via the Bohai Strait.

• Statement 2 is correct: The Yellow River (China’s second-longest river) discharges into the Bohai Gulf.

• The gulf also hosts both onshore and offshore petroleum deposits, with several oil refineries in the vicinity.

• In earlier times, the Bohai Gulf was referred to as the Gulf of Chili or the Gulf of Pechili.

Hence option 2nd is correct.