posted by natasha napier .
the population in east asia is concentrated in:
a. urban areas, river valleys, and coastal
b. japan, korea, and mongolia
c. the southern and western regions of china
d. urban areas only
my answer b.
I would say a.
As you can see from the map, Mongolia is sparsely populated.
Mongolia is also not in East Asia. Neither are "western regions of China".
oh ok thank you both