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How many signals appear in the proton-decoupled 13C NMR spectrum of 3-bromotoluene?
Visual Acuity
A measure of the sharpness or clarity of visual perception, often tested with a Snellen chart.
Hearing Aid
A device designed to improve hearing by making sound audible to a person with hearing loss.
Outer Ear
The external portion of the ear, which consists of the auricle (pinna) and the ear canal, and is involved in collecting sound waves and directing them into the middle ear.
Sound Level
The intensity of sound or noise, typically measured in decibels (dB), and significant in various environments for maintaining health and safety standards.
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