With respect to major rivers, the mekong is to vietnam as the irrawady is to
a. myanmar.
b. cambodia.
c. laos.
d. thailand.

The answer is A - Myanmar (formerly Burma). It's the largest river in this territory (1348 miles long) and also the most curcial waterway for commercial use. Sometimes it's also called "The Road to Mandalay".

Answermost of the time it would be ground into fine sediment,and sometimes they are carried away from the original location;

He want to contact the red cross/red crescent because they are the main non profit organization that deals with disasters around the world