2. Which of the following was a cause of the ecological disaster known as the Dust Bowl? A. Excessive rainfall that year B. The plowing under of native grasses that kept topsoil in place C. A massive earthquake that loosened the topsoil D. A flood in California

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Which of the following was a cause of the ecological disaster known as the Dust Bowl? A. Excessive rainfall that year B. The plowing under of native grasses that kept topsoil in place C. A massive earthquake that loosened the topsoil D. A flood in CaliforniaAsk for details  Follow  Report by Lalabunny200116 2 minut