The ____________________ Key Prevents Duplicate Entries

question 3

Short Answer

The ____________________ key prevents duplicate entries.

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Definitions:

Audiometer

A device used to evaluate an individual's hearing ability by generating sounds at various frequencies and volumes.

Decibel Level

A unit of measurement for the intensity of sound, indicating its loudness.

Higher-pitched

Describes sounds that have a higher frequency, perceived as sharper or squeakier than lower-pitched sounds.

Second-hand Smoke

Smoke that is exhaled by a smoker or emerges from the end of a burning cigarette, posing health risks to non-smokers.