Respuesta :
Answer:
A.) the growing income disparity between rural and urban Chinese
B.) the desertification of Chinese lands north of the city of Beijing
C.) the changing economy of Mongolia
D.) the testing of nuclear weapons by North Korea
Answer:
D.) the testing of nuclear weapons by North Korea
Explanation:
This is by far the most concerning, as they possess more weaponry capable of destroying a wide range of locations. I hope this helps! ^-^