Question

This nation has planted millions of trees to defend against desertification.

China
Japan
Taiwan
North Korea

Answer 1

Answer: China

Step-by-step explanation:

(This is from the Odyssey lesson) "China is attempting to conserve land by planting millions of trees in effort to no longer have such a large scale of dessert growth"

Answer 2

It is "China" that has planted millions of trees to defend against desertification, since China depends (to a certain extent) on large number of trees for their economy.