Statement 2: The Amur River is shared between Russia and China.
The correct answer is statement 2.
The Amur River, also known as the Heilongjiang River, forms a natural boundary between Russia and China. It flows for over 2,800 kilometers and drains into the Sea of Okhotsk. The river basin is home to diverse wildlife and natural resources, and it has played a significant role in the history and cultures of both Russia and China.