Where is the world's fourth-largest freshwater lake,the size of which has been decreased by almost 90% to provide water for agriculture? 

A)  Bangladesh 
B)  China 
C)  Africa 
D)  the former Soviet Union

Freshwater Lake

A body of water that has low concentrations of salts, typically found inland and not connected to the ocean.

Agriculture

The practice of cultivating soil, growing crops, and raising livestock for food, fiber, and other products.

Soviet Union

A former federation of Communist republics that existed from 1922 to 1991, officially known as the Union of Soviet Socialist Republics (USSR).