In the United States,_____ Deficiency Is the Most Common Nutritional

question 59

Multiple Choice

In the United States,_____ deficiency is the most common nutritional deficiency.

• A)magnesium
• B)calcium
• C)iron
• D)selenium

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Definitions:

Scientific Approach

A method of inquiry that employs observation, experimentation, and data analysis to gather empirical evidence.

Clarity and Precision

Key principles in communication and thought that involve being clear in expression and exact in detail and measurement.

Independent Variable

In an experimental setting, the variable that is manipulated or changed by the researcher to explore its effects on a dependent variable.

Experimental Group

A group in a scientific study that receives the treatment or condition being tested, as opposed to a control group, which does not.