Which of the following ethnic groups is not part of east asia? a. koreans b. mongols c. japanese d. vietnamese

D. Vietnamese

Explanation:

East ai ais the sub-region of Asia and is diverse in terms of geography and the ethnocultural this region consists of China, Hong Kong the Macau, the Mongolia, North Korea, South Korea, and Japan, and the Taiwan.  It has a total area of about 11,839,074 km square, and a population of about 1,666,471,330 having a population density of 140 per km. Eastern asia is one of the largest and most prosperous economies of the world.  Countries like the India, Sri Lanka, Thailand, Burma, Laos, Indonesia, and Vietnam belong to the southeastern Asia culture, and region is defined by geographical boundary and realm.