For 10 points identify this sea that borders the mainland of Southeast Asia which the Taiwan Strait connects to the East China Sea.
The eastern part of this sea includes a basin containing the Reed and Tizard banks. Also within this sea are the Paracel Islands, and the the Sunda Platform is found at the bottom of its southwestern section. Rivers draining into it include the Xi, Red, and Mekong, and its chief embayments include the Gulf of Thailand and the Gulf of Tonkin. For 10 points identify this sea that borders the mainland of Southeast Asia which the Taiwan Strait connects to the East China Sea.
The eastern part of this sea includes a basin containing the Reed and Tizard banks.
South China Sea