Which of the following are primary rivers in Southeast Asia?
A.
the Irrawaddy, Chao Phraya, and Mekong
B.
the Danube, Rhine, and Seine
C.
the Nile, Zambezi, and Niger
D.
the Volga, Dnieper, and Vistula
Mainland Southeast Asia is drained by five major river systems, which from west to east are the Irrawaddy, Salween, Chao Phraya, Mekong, and Red rivers.
