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Which is an environmental substance that can contribute to the development of cancer?
Independent Variable
A variable that is manipulated or changed in an experiment to test its effects on the dependent variable.
Dependent Variable
In an experiment, the variable that is being tested and measured, expected to change as a result of manipulations to the independent variable.
Personal Care Items
Products intended for personal hygiene and grooming, such as toothpaste, shampoo, and deodorant.
Primary Research
The collection of new data through direct investigation, such as surveys, interviews, or experiments, tailored to a specific research question.
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