Human-Environment Interaction — Test

Question 17 • Geography

How do droughts affect the western United States differently than the Sahel region in Africa?

Answer

The western United States does not have much farmland compared to the Sahel, so crops are not affected.

The western United States is affected by a changing climate and rising temperatures, unlike the Sahel.

The western United States has forest areas and is prone to wildfires, which is not the case with the Sahel.

The western United States has a mostly arid climate, unlike the Sahel, so desertification is occurring.

Explanation

Drought in the western United States can dry out forests and other vegetation, increasing the risk of severe wildfires. In the Sahel, drought is more commonly associated with crop losses, water shortages, and land degradation. The western U.S. does experience climate change, but the Sahel is also affected by a changing climate, so choice B does not describe the difference.

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