Which of the Following Can Be Disposed of in the Sink

question 4

Multiple Choice

Which of the following can be disposed of in the sink?

• A) saliva
• B) blood
• C) salt solution
• D) preservative

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Definitions:

Independent Variable

In scientific studies, a variable that is intentionally altered to examine how it impacts a dependent variable.

Validity

The quality of being logically or factually sound; the degree to which a concept, conclusion, or measurement is well-founded and corresponds accurately to the real world.

Experimental Group

In scientific research, the group of subjects who are exposed to the variable or treatment being tested, as opposed to the control group.

Independent Variable

This refers to a variable in an experiment that is manipulated or changed by the researcher to observe its effects on the dependent variable.