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Which of the following substances is a simple sugar?
Traffic Lights
Traffic lights are signaling devices positioned at road intersections and pedestrian crossings to control the flow of traffic by displaying lights of standard colors (red, amber/yellow, and green) indicating stop, caution, and go, respectively.
Staring
Fixing one's gaze on someone or something for a long period, often in a manner that can be perceived as intense or aggressive.
Confounding Variable
An outside influence that changes the effect of a dependent and independent variable being examined in an experimental or observational study.
Independent Variable
A variable in an experiment that is manipulated or changed by the researcher to observe its effects on the dependent variable.
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