Examlex
Humans tend to fear things that are potentially dangerous,rather than things that are not threatening.Psychologist Martin Seligman suggests this is because humans
Amplitude
The maximum extent of a vibration or oscillation, measured from the position of equilibrium.
Frequency
The rate at which a cyclic or periodic event occurs, typically measured in cycles per unit time.
Timbre
The characteristic of a sound that makes it identifiable from other sounds with the same pitch and loudness.
Purity
The state or quality of being clean, free from contaminants, or morally untarnished.
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