What country in east asia is currently threatened by the expansion of its desert in its western regions?
a) china
b) japan
c) taiwan
d) north korea

Why is terracing used in southeast asian agriculture?

What did the pattern of earthquakes in the wadati-benioff seafloor zones show scientists? a.) earthquakes occur where the ocean floor reaches its highest temperatures. b.) many earthquakes take place 700 kilometers below the seafloor. c.) slabs of ocean floor return to the mantle in subduction zones. d.) ocean - trenches cause earthquakes.

Because its government strictly controls its economy, north korea has a economy. a. command b. mixed c. traditional d. free market