A relationship where one variable is directly altered by another is called

A. an intervention.
B. a cause-and-effect relationship.
C. a correlation.
D. an epidemiological relationship.


B

Nutritional Science

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Which of the following foods or beverages is not a major source of added sugars in American diets?

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Health problems related to obesity begin when a person's body mass index (BMI) exceeds 30 kg/m(sup)2(/sup).

a. true b. false

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Which of the following statements is NOT true regarding iron needs in infancy?

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