Respuesta :
The river of East Asia that contribute to the economic development of the region are:
1. The fertile plain of the Yellow River provides an important farming area,
3. Along the Yangtze River, about two-thirds of china's rice is grown.
What is economic development?
Economic Development is the process of the creation of wealth from which benefits are recognized. It is more than a jobs program and an investment in changing the economy and raising the economic condition and quality of life for all residents,
East Asia's river also contributed to the economic development, by providing an important farming area and producing the 2\3rd of china's rise.
Therefore, options 1 and 3 are correct.
Learn more about the economic development, refer to:
https://brainly.com/question/19632298