Answer : 3. "ह्वांग-हो"
Explanation :

The Yellow River is known as (C) Hwang–Ho. The Yellow River, also known as the Hwang-Ho or Huang He, is the second-longest river in China and one of the major rivers in Asia. It is often called the "Mother River of China" due to its historical and cultural significance. The river is named for the yellow silt it carries, giving it a distinctive yellow color. The Yellow River is an important watercourse in Chinese history and civilization, playing a crucial role in agriculture and supporting ancient Chinese civilizations.