What to make northeast china a vast agricultural area?
it has a cold, dry climate.
it is near industrial centers.
it has fertile soil.
it is near beijing.

Most likely because it has fertile soil. The others don’t make sense.

Explanation:
Agricultural area is typically land devoted to agriculture, the systematic and controlled use of other forms of life. Particularly the rearing of livestock and production of crops to produce food for humans.

Hope this helped!

Csaudi arabia and wish u us: )

Answerbecause of improved transportation, communication, and other advantages;