The correct answer is 4
Explanation
In the image, you see a map of Asia, in which you see mainly China. In which four rivers are indicated with numbers from 1 to 4. The number 1 indicates the Tuul river, the 2 indicates the Irawadi river, the 3 Qiantang river, and the 4 the Yangtze river.
The Yangtze River is 6,300 kilometers long, being the third-longest on earth, it flows into the East China Sea in the city of Shanghai. According to the above, the correct answer is 4.
