Examlex
Cepheid variables can be used to determine distances because their absolute magnitude can be determined from their period.
Truck
A motor vehicle designed to transport cargo, varying in size, power, and configuration.
Research
The systematic investigation into and study of materials and sources to establish facts and reach new conclusions.
Physiological Response
Describes the body's automatic reactions to a stimulus, including changes in heart rate, hormone levels, and neural activity.
Violent TV
Television programming that includes scenes of physical force intended to hurt, damage, or kill.
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