Which statement regarding the scientific method is false? hypotheses are tentative explanations of observed phenomena. a hypothesis may become a theory, which may become a law. reasoning is often used in the design of an experiment. a control group is always exposed to the factor being tested.

The correct answer is D. A control group is always exposed to the factor being tested.

Explanation:

The Scientific Method refers to a set of steps use in science and field derive from it to understand or explain a phenomenon. In this the researcher needs to follow steps such as observing, creating a hypothesis, testing, etc. Additionally, in this method, it is common to use controlled experiments that allow the research to study a phenomenon by using an experimental group that is the group the researcher exposed to a specific factor or variable and a control group that is not exposed to the variable. According to this, the false statement is "A control group is always exposed to the factor being tested" because in the scientific method the control group is the group that is not exposed to any factor and thus, serves as a reference for the experimental group.

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