Taiwan is the East Asian country that is currently threatened by the expansion of its desert in its western region.
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Equator. Because the altitude of Polaris matches the degrees of latitude
The answer would be the 4th option. (Rainwater soaking into the ground). Soil erosion is commonly caused by rainwater soaking into the ground.
Sorry but your image might’ve crashed or something. Can you type out your question in the comments? I’d be happy to help