Answer: Level of food deprivation.
Explanation:
The independent and dependent variables are the fundamental components in an experiment. The independent variable is the controlled one that is modified to examine the consequences it has on the dependent variable. The dependent variable is the one being measured through the scientific experiment.
In this example, the level of food deprivation is the independent variable and psychological disturbances are the dependent variable.
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The central bank in the United States is called the Federal Reserve. The answer is (A) Federal Reserve. <span>The Federal Reserve System is the central banking system of the United States.</span>
<span>This particular fact was a continual problem, even after an act of Congress in 1860 declared the boundaries of the grant to be valid.</span>