Answer:
D. Increased humidity
Explanation:
The air was very dry. Humid air is not dry.
All the factors contributed to the Dust Bowl except Increased humidity.
The Dust Bowl, also known as “the Dirty Thirties,” started in 1930 and lasted for about a decade, but its long-term economic impacts on the region lingered much longer."
The Dust Bowl was the name given to the drought-stricken Southern Plains region of the United States, which suffered severe dust storms during a dry period in the 1930s.
As high winds and choking dust swept the region from Texas to Nebraska, people and livestock were killed and crops failed across the entire region.
The Dust Bowl intensified the crushing economic impacts of the Great Depression and drove many farming families on a desperate migration in search of work and better living conditions."
The Dust Bowl was caused by several economic and agricultural factors, including federal land policies, changes in regional weather, farm economics and other cultural factors.
After the Civil War, a series of federal land acts coaxed pioneers westward by incentivizing farming in the Great Plains.
Humidity is the amount of water vapor in the air. If there is a lot of water vapor in the air, the humidity will be high. The higher the humidity, the wetter it feels outside.
Hence, option D is the correct answer
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