All of the Following Factors Contributed to the Dust Bowl

question 43

Multiple Choice

All of the following factors contributed to the Dust Bowl condition EXCEPT:

• A) overcultivation of wheat crops.
• B) widespread flooding in the region.
• C) increase in frequency of high- velocity winds.
• D) plowing of the prairie sod.

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Definitions:

Veterans

Individuals who have served in the military, especially those who have served in combat.

Null Hypothesis

In statistical analysis, the hypothesis that there is no effect or no difference, and any observed difference is due to sampling or experimental error.

Independent Variable

In an experiment, the variable that is manipulated or changed by the researcher to observe its effect on the dependent variable.

Research Hypothesis

A specific, testable prediction about the relationship between at least two variables in a population, based on theory or previous research.