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An experimenter wanted to test the effects of cigarette smoking on rats. She infused the cages of 50 rats with cigarette smoke and the cages of another 50 rats with pure, clean air. The rats that received the clean air were the ____.
Presentation Equipment
Tools and devices used during presentations, such as projectors, screens, microphones, and laptops, to aid in delivering content.
Visuals
Graphic elements such as images, charts, and videos used to convey information, illustrate concepts, or enhance communication.
Learning
The acquisition of knowledge or skills through experience, study, or being taught.
Percent
A mathematical term representing a part per hundred, used to describe proportions or compare quantities.
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